Vauxhall Workshop Service and Repair Manuals

DTC

Diagnostic Trouble Code Storage Condition

O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 1)

• The sensor signal at control unit terminal 16, 48 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on

O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 2)

• The sensor signal at control unit terminal 31, 47 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on

Mass Or Volume Air Flow Circuit High Input

• Engine running in engine speed range 1500 rpm to 5000 rpm
• Mass air flow sensor signal is greater than 600 kg/h
• Short to voltage in circuit to control unit terminal 9, 41, 57 (XC54)
• Above condition must be fulfilled for at least 2.5 s .

Effect:

• Engine telltale is switched on

Mass Or Volume Air Flow Circuit Low Input

• Engine running in engine speed range 608 rpm to 5000 rpm
• Mass air flow sensor signal is less than 0.5 kg/h
• Short to ground or interruption in circuit to control unit terminal 9, 41, 57 (XC54)
• Above condition must be fulfilled for at least 2.5 s .

Effect:

• Engine telltale is switched on

Manifold Absolute Pressure Sensor Circuit High Voltage

• Throttle position sensor voltage is greater than 4.9 V
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 5 s .

Replacement Value:

• The control unit calculates with a replacement characteristic map depending on the engine speed and throttle valve position.

Effect:

• All adaptations are locked.

Manifold Absolute Pressure Sensor Circuit Open or Low Voltage

• Battery voltage is less than 0.09 V
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 5 s .
• The sensor signal at control unit terminal 59 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Replacement Value:

• The control unit calculates with a replacement characteristic map depending on the engine speed and throttle valve position.

Effect:

• All adaptations are locked.

Intake Air Temperature Sensor Circuit Low Input

• 60 s elapsed time since engine start
• Intake air temperature is less than -39 °C (-38 °F)
  (Short circuit to voltage or circuit interruption)
• Above conditions must be fulfilled for at least 4 s .

Effect:

• Instead of the input value the control unit uses a replacement value
• All adaptations are locked.

Intake Air Temperature Sensor Circuit High Input

• 60 s elapsed time since engine start
• Throttle valve is closed for longer than 10 s (idle speed)
• Intake air temperature is greater than 109 °C (228 °F)
  (Short circuit to ground)
• Above condition must be fulfilled for at least 4 s .

Effect:

• Instead of the input value the control unit uses a replacement value
• All adaptations are locked.

Engine Coolant Temperature Circuit Low Input

• Short to ground in circuit to control unit terminal 60 (XC54)

Engine Coolant Temperature Circuit High Input

• Short to voltage in circuit to control unit terminal 60 (XC54)

Engine Coolant Temperature Sensor Circuit Range/Performance

• The sensor signal at control unit terminal 60 (XC54) is noisy.

Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input

• Throttle position sensor voltage is less than 0.2 V
  (Short circuit to ground or circuit interruption)
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Throttle/Pedal Position Sensor/Switch "A" Circuit High Input

• Throttle position sensor voltage is greater than 4.8 V
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem

• Sensor signal is out of range
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)

• Short to voltage in circuit to control unit terminal 29, 61 (XC54)
• Above conditions must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

• Short to ground in circuit to control unit terminal 29, 61 (XC54)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor (Bank 1 Sensor 1) Circuit Range/Performance At Running Engine

• The control unit recognises a plausibility error in the following circuit:
  B166 Sensor - Oxygen, Mixture Control, Heated

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)

• Engine running
• Circuit interruption to control unit terminal 29, 61 (XC54)
• The sensor signal at control unit terminal 29, 61 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Oxygen sensor closed loop control is disabled

No Plausibility between O2 Sensor 1 Bank 1 and O2 Sensor 2 Bank 1

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The voltage measurement results an implausible value.
• Above condition must be fulfilled for at least 5 s .

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor (Bank 1 Sensor 1) Circuit Range/Performance During Deceleration Fuel Cutoff

• Short to voltage/ground or interruption in circuit to control unit terminal 29, 61 (XC54)
• The sensor signal at control unit terminal 29, 61 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

O2 Sensor Circuit Range/Performance (Bank 1 Sensor 1)

• The control unit recognises a difference between desired and actual value.

Effect:

• Oxygen sensor closed loop control is disabled

O2 Sensor Failed

• The response time of the oxygen sensor is too long
• The control unit recognises no engine torque signal
• Above condition must be fulfilled for at least 0.2 s .

Effect:

• All adaptations are locked.

Effect:

• Oxygen sensor closed loop control is disabled

O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)

• Circuit interruption to control unit terminal 29, 61 (XC54)
• The sensor signal at control unit terminal 29, 61 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 1)

• Engine running
• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Oxygen sensor adaptation
• Knock control adaptation
• Engine telltale is switched on

O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 1)

• Engine running
• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)

Effect:

• Oxygen sensor adaptation
• Knock control adaptation
• Engine telltale is switched on

O2 Sensor Heater Circuit Open (Bank 1 Sensor 1)

• Engine running
• Final stage diagnosis in control unit
  (Circuit interruption)
• The sensor signal at control unit terminal 16, 48 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

• Engine running
• Oxygen sensor voltage is greater than 4.8 V
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 4.8 s .

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

• Engine running
• Oxygen sensor voltage is less than 0.02 mV
  (Short circuit to ground)
• Above condition must be fulfilled for at least 2.2 s .

Effect:

• Engine telltale is switched on
• Oxygen sensor closed loop control is disabled

O2 Sensor Circuit Open (Bank 1 Sensor 2)

• Circuit interruption to control unit terminal 62 (XC54)
• Above condition must be fulfilled for at least 2.2 s .
• The sensor signal at control unit terminal 62 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

• The sensor signal is out of the plausible range
  (Short circuit to ground/voltage or circuit interruption)
• Above condition must be fulfilled for at least 2.2 s .
• The sensor signal at control unit terminal 62 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Engine telltale is switched on

O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2)

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 13 s .

Effect:

• Oxygen sensor adaptation
• The knock control is locked.
• Engine telltale is switched on

O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2)

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 13 s .

Effect:

• Oxygen sensor adaptation
• The knock control is locked.
• Engine telltale is switched on

O2 Sensor Heater Circuit Open (Bank 1 Sensor 2)

• Final stage diagnosis in control unit
  (Circuit interruption)
• The sensor signal at control unit terminal 31, 47 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

• Above conditions must be fulfilled for at least 13 s .

Effect:

• Engine telltale is switched on

Fuel Pressure Sensor High Voltage

• Short to voltage in circuit to control unit terminal 19, 28 (XC54)
• Above condition must be fulfilled for at least 0.5 s .
• The sensor signal at control unit terminal 19, 28 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Fuel Pressure Sensor Low Voltage

• Short to ground in circuit to control unit terminal 19, 28 (XC54)
• Above condition must be fulfilled for at least 0.8 s .

Effect:

• Engine telltale is switched on

Fuel Pressure Actuator High Voltage

• Short to voltage in circuit to control unit terminal 15, 64 (XC54)

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Fuel Pressure Actuator Low Voltage

• Short to ground in circuit to control unit terminal 15, 64 (XC54)
• Above condition must be fulfilled for at least 0.8 s .

Effect:

• Engine is stopped.
• Service Vehicle Soon Lamp ON

Fuel Pressure Actuator Circuit Open

• Interruption in circuit to control unit terminal 15, 64 (XC54)
• Above conditions must be fulfilled for at least 0.8 s .

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Fuel Injector Malfunction

• Engine running
• Wait at least 4 s
• The power supply for the injectors is out of range.
• Above condition must be fulfilled for at least 0.02 s .

Cylinder 1 Injector Circuit Open

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• The defective injector is no longer actuated. The other injectors function normally.
• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 1 Injector High Voltage Or Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground/voltage or circuit interruption)
  The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 2 Injector Circuit Open

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• The defective injector is no longer actuated. The other injectors function normally.
• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 2 Injector High Voltage Or Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground/voltage or circuit interruption)
  The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 3 Injector Circuit Open

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• The defective injector is no longer actuated. The other injectors function normally.
• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 3 Injector High Voltage Or Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground/voltage or circuit interruption)
  The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 4 Injector Circuit Open

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• The defective injector is no longer actuated. The other injectors function normally.
• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Cylinder 4 Injector High Voltage Or Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground/voltage or circuit interruption)
  The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Engine Overspeed Condition

• The engine has been operated with more than 7200 rpm.
• Above condition must be fulfilled for at least 1 s .

Throttle/Pedal Position Sensor/Switch "B" Circuit High Input

• Throttle position sensor voltage is greater than 4.8 V
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input

• Throttle position sensor voltage is less than 0.2 V
  (Short circuit to ground or circuit interruption)
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Throttle/Pedal Position Sensor/Switch "B" Circuit Range/Performance Problem

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Above conditions must be fulfilled for at least 0.2 s .
• Service Vehicle Soon Lamp ON

Fuel Pump Primary Circuit Low

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above conditions must be fulfilled for at least 3 s .

Fuel Pump Primary Circuit High

• Final stage diagnosis in control unit
  (Short circuit to voltage or circuit interruption)
• Above condition must be fulfilled for at least 3 s .

Random/Multiple Cylinder Misfire Detected

• 5 s elapsed time since engine start
• Battery voltage between 9 V and 16 V
• Coolant temperature between -40 °C (-40 °F) and 118 °C (244 °F)
• Engine running in engine speed range 500 rpm to 6500 rpm
• Too many misfires detected by the crankshaft position sensor

Cylinder 1 Misfire Detected

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The control unit detects misfiring from cylinder 1

Effect:

• Engine telltale is switched on

Cylinder 2 Misfire Detected

• 5 s elapsed time since engine start
• Battery voltage between 9 V and 16 V
• Coolant temperature between -40 °C (-40 °F) and 118 °C (244 °F)
• Engine running in engine speed range 608 rpm to 4512 rpm
• The control unit detects misfiring from cylinder 2

Effect:

• Engine telltale is switched on

Cylinder 3 Misfire Detected

• 5 s elapsed time since engine start
• Battery voltage between 9 V and 16 V
• Coolant temperature between -40 °C (-40 °F) and 118 °C (244 °F)
• Engine running in engine speed range 608 rpm to 4512 rpm
• The control unit detects misfiring from cylinder 3

Effect:

• Engine telltale is switched on

Cylinder 4 Misfire Detected

• 5 s elapsed time since engine start
• Battery voltage between 9 V and 16 V
• Coolant temperature between -40 °C (-40 °F) and 118 °C (244 °F)
• Engine running in engine speed range 608 rpm to 4512 rpm
• The control unit detects misfiring from cylinder 4

Effect:

• Engine telltale is switched on

Knock Sensor 1 Circuit Range/Performance (Bank 1 Or Single Sensor)

• Short to ground or interruption in circuit to control unit terminal 14, 46 (XC54)
• The sensor signal at control unit terminal 14, 46 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Effect:

• Service Vehicle Soon Lamp ON

Crankshaft Position Sensor "A" Circuit Open

• Engine idling
• Interruption in circuit to control unit terminal 24, 56 (XC54)
• The sensor signal at control unit terminal 24, 56 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Crankshaft Sensor Incorrect Signal

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The sensor signal at control unit terminal 24, 56 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

• The control unit recognises knocking combustion despite maximum spark timing adjustment.

Effect:

• The knock control is locked.

Crankshaft Position Sensor "A" Circuit Range/Performance

• The sensor signal at control unit terminal 24, 56 (XC54) is noisy.

Note:

Sensor and wiring harness are influenced by interference voltage or have intermittent contacts.

Camshaft Position Sensor Circuit Open

• Engine running
• Engine speed signal recognised
• Camshaft signal not recognised

Note:

• A sudden loss of the crankshaft signal during operation (without intermittent) could only be recognised at the following engine start.

Effect:

• Service Vehicle Soon Lamp ON

Camshaft Position Sensor Circuit Range/Performance

• Engine running
• The control unit cannot synchronise the camshaft signal.

Effect:

• Service Vehicle Soon Lamp ON

Ignition Coil Cylinder 1 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Ignition Coil Cylinder 1 Circuit Range/Performance

• Engine running
• Final stage diagnosis in control unit

Ignition Coil Cylinder 2 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Ignition Coil Cylinder 2 Circuit Range/Performance

• Engine running
• Final stage diagnosis in control unit

Ignition Coil Cylinder 3 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Ignition Coil Cylinder 3 Circuit Range/Performance

• Engine running
• Final stage diagnosis in control unit

Ignition Coil Cylinder 4 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Ignition Coil Cylinder 4 Circuit Range/Performance

• Engine running
• Final stage diagnosis in control unit

Exhaust Gas Recirculation Circuit High Input

• Engine running
• Battery voltage is greater than 11 V
• The control unit recognises a difference between desired and actual value of the position sensor greater than 20 %
• Above conditions must be fulfilled for at least 20 s .

EGR Valve Voltage Low

• Engine running
• Battery voltage is greater than 11 V
• The control unit recognises a difference between desired and actual value of the position sensor less than 40 %
• Above conditions must be fulfilled for at least 20 s .

Exhaust Gas Recirculation Valve Malfunction

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  Y56 Solenoid Valve - Exhaust Gas Recirculation

Exhaust Gas Recirculation Circuit Malfunction

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Above conditions must be fulfilled for at least 0.4 s .

Effect:

• Engine telltale is switched on
• Service Vehicle Soon Lamp ON

Catalyst System Efficiency Below Threshold (Bank 1)

• Engine speed is less than 4000 rpm
• Coolant temperature is greater than 60 °C (140 °F)
• Vehicle speed is in the range of 0 km/h (0 mph) to 150 km/h (93 mph)

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Valve Voltage High

• Short to voltage in circuit to control unit terminal 64 (XC55)
• Above condition must be fulfilled for at least 2 s .

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Valve Voltage Low

• Short to ground or interruption in circuit to control unit terminal 64 (XC55)

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Open Circuit

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• Engine telltale is switched on

CAN-Bus Failure - No CAN-Message

• Invalid fuel level signal (CAN) from REC
  Above condition must be fulfilled for at least 8 s .

Fuel Level Sensor Circuit High Input

• The control unit recognises a fault in the following circuit:
  M8 Unit - Fuel Tank
  (Short circuit to voltage)

Fuel Level Sensor Circuit Low Input

• The control unit recognises a fault in the following circuit:
  M8 Unit - Fuel Tank
  (Short circuit to ground)

Fuel Level Sensor Circuit Range/Performance

• The control unit recognises a fault in the following circuit:
  M8 Unit - Fuel Tank
  (Signal out of range)

Vehicle Speed Signal Range/Performance

• The control unit recognises a malfunction of the distance signal via an internal evaluation logic.

Vehicle Speed Sensor Malfunction

• The control unit recognises a malfunction of the distance signal via an internal evaluation logic.

A/C Pressure Sensor Circuit High Input

• Short to voltage in circuit to control unit terminal 59 (XC55)

A/C Pressure Sensor Circuit Open

• The sensor signal at control unit terminal 59 (XC55) is noisy.

Cruise Control "On" Signal Malfunction

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Cruise Control

Cruise Control "Off" Signal Malfunction

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Cruise Control

Cruise Control "Resume" Signal Malfunction

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Cruise Control

Cruise Control "Set" Signal Malfunction

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Cruise Control

Brake Switch Circuit Malfunction

• Incorrect voltage level at control unit terminal 57, 58 (XC55)

Effect:

• Service Vehicle Soon (SVS) Telltale is switched on

Brake Light Switch Circuit Malfunction

• Incorrect voltage level at control unit terminal 57, 58 (XC55)

Effect:

• Service Vehicle Soon (SVS) Telltale is switched on

Cruise Control/Brake Switch "A" Circuit Malfunction

• The control unit recognises a fault in the following circuit:
  S218 Switch - Stop Lamp, Double

Generator Lamp "L" Control Circuit Malfunction

• Incorrect voltage level at control unit terminal 8 (XC55)

Malfunction Indicator (MI) Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Malfunction Indicator (MI) Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)

CAN Bus Communication Error

• The control unit recognises incorrect CAN-Bus data

Malfunction Indicator (MI) Request from Transmission Control Module (TCM) Range/Perform.

• The ECM receives the request from the TCM to turn the Malfunction Indicator (MI) on.

Effect:

• Engine telltale is switched on

Clutch Switch Input Circuit Malfunction

• The control unit recognises a plausibility error in the following circuit:
  S41 Switch - Clutch

Swirl Flap Stuck

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  Y145 Solenoid Valve - Swirl
• Above condition must be fulfilled for at least 0.16 s .

Effect:

• The concerned system is turned off.
• Engine telltale is switched on

Swirl Flap Adaption Malfunction

• System/component mechanical fault
• Above conditions must be fulfilled for at least 0.16 s .

Effect:

• The concerned system is turned off.
• Engine telltale is switched on

Swirl Actuator Malfunction

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Swirl Flap Sensor Circuit High Voltage

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to voltage)

Effect:

• The concerned system is turned off.
• Engine telltale is switched on

Swirl Flap Sensor Circuit Low Voltage

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to ground or circuit interruption)
• Intermittent problems to control unit terminal 8, 12, 26 (XC54)

Effect:

• Exhaust gas recirculation valve is switched off
• Engine telltale is switched on

Powerstage Swirl Flap Actuator Circuit Low Voltage

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Intermittent problems to control unit terminal 8, 12, 26 (XC54)

Effect:

• The concerned system is turned off.
• Engine telltale is switched on

Accelerator Pedal Position Sensor 1 High Input

• Short to voltage in circuit to control unit terminal 60 (XC55)
• Above conditions must be fulfilled for at least 0.16 s .

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 1 Low Input

• Short to ground or interruption in circuit to control unit terminal 60 (XC55)
• Above condition must be fulfilled for at least 0.16 s .

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 1 and 2 Signal Incorrect Ratio

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 2 High Input

• Short to ground or interruption in circuit to control unit terminal 44 (XC55)
• Above condition must be fulfilled for at least 0.16 s .

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 2 Low Input

• Short to ground or interruption in circuit to control unit terminal 44 (XC55)
• Above condition must be fulfilled for at least 0.16 s .

Effect:

• Service Vehicle Soon Lamp ON

System Too Lean (Bank 1)

• The sensor signal is out of the plausible range

Effect:

• Engine telltale is switched on

System Too Rich (Bank 1)

• The sensor signal is out of the plausible range

Effect:

• Engine telltale is switched on

Fuel System Malfunction

• System/component mechanical fault
  or
• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Engine telltale is switched on

Fuel Rail Pressure Sensor Circuit Range/Performance

• Common rail pressure is greater than 14500 kPa ( 145 bar )
• Above condition must be fulfilled for at least 1 s .

Effect:

• Service Vehicle Soon Lamp ON

Fuel Pressure System Malfunction

• Difference between actual and desired common rail pressure is greater than 150 MPa
• Above condition must be fulfilled for at least 3 s .

Effect:

• Service Vehicle Soon Lamp ON

Fuel Rail Pressure Sensor Circuit Low Input

• Common rail pressure is less than 10000 kPa ( 100 bar )
• Above conditions must be fulfilled for 608 crankshaft revolutions.

Effect:

• Service Vehicle Soon Lamp ON

Fuel Rail Pressure Sensor Circuit High Input

• Common rail pressure is greater than 13500 kPa ( 135 bar )
• Above condition must be fulfilled for at least 1 s .

Effect:

• The system telltale is switched on.

Main Relay Circuit Voltage High

• Final stage diagnosis in control unit
  (Short circuit to voltage)

Effect:

• Engine telltale is switched on

Main Relay Open Circuit

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)

Effect:

• Engine telltale is switched on

Knock Control Maximum Spark Level Cylinder 1

• Engine not in operating condition:
  Engine stationary
  Start
  Restart
• The control unit recognises knocking combustion despite maximum spark timing adjustment.

Knock Control Maximum Spark Level Cylinder 2

• Engine not in operating condition:
  Engine stationary
  Start
  Restart
• The control unit recognises knocking combustion despite maximum spark timing adjustment.

Knock Control Maximum Spark Level Cylinder 3

• Engine not in operating condition:
  Engine stationary
  Start
  Restart
• The control unit recognises knocking combustion despite maximum spark timing adjustment.

Knock Control Maximum Spark Level Cylinder 4

• Engine not in operating condition:
  Engine stationary
  Start
  Restart
• The control unit recognises knocking combustion despite maximum spark timing adjustment.

Crankshaft Sensor Adaption Malfunction

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Crankshaft Sensor Segment Error

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON
• Engine telltale is switched on

Exhaust Gas Recirculation Circuit High Voltage

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 1 s .

Effect:

• Exhaust gas recirculation valve is switched off

Exhaust Gas Recirculation Circuit Low Voltage

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 1 s .

Effect:

• Exhaust gas recirculation valve is switched off

Exhaust Gas Recirculation Valve Stuck

• System/component mechanical fault
• Above conditions must be fulfilled for at least 2 s .

Effect:

• Exhaust gas recirculation valve is switched off

Exhaust Gas Recirculation Valve Feedback Signal Malfunction

• The control unit recognises a plausibility error in the following circuit:
  Y56 Solenoid Valve - Exhaust Gas Recirculation
• Above conditions must be fulfilled for at least 0.2 s .

Effect:

• Exhaust gas recirculation valve is switched off

Fan Control 1 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 2 s .

Fan Control 1 Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 2 s .

Fan Control 2 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 2 s .

Fan Control 2 Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 2 s .

Fan Control 3 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 2 s .

Fan Control 3 Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 2 s .

Fan Control 4 Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 2 s .

Fan Control 4 Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground or circuit interruption)
• Above condition must be fulfilled for at least 2 s .

Throttle Control Motor Malfunction

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  A111 Throttle Valve - Positioner

Effect:

• Service Vehicle Soon Lamp ON

Powerstage Currentless

• The control unit recognises that the temperature at the motor drive is too high.
• Knock control recognises always knocking combustion
• Above condition must be fulfilled for at least 0.1 s .

Effect:

• The knock control is locked.
• Service Vehicle Soon Lamp ON

Throttle Control Malfunction

• The control unit recognises a general plausibility error for the throttle position sensor.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

Throttle Control Malfunction

• The control unit recognises a general plausibility error for the throttle position sensor.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

A/C Relay Voltage High

• Final stage diagnosis in control unit
  (Short circuit to voltage)

A/C Relay Voltage Low

• Final stage diagnosis in control unit
  (Short circuit to ground)

Electronic Throttle Control Reduced Power

• The control unit recognises a general plausibility error for the throttle position sensor.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

Electronic Throttle Control Forced Idle

• The control unit recognises a general plausibility error for the pedal position sensor.
• The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

Electronic Throttle Control Power Management

• The control unit recognises a general plausibility error for the throttle position sensor.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

Electronic Throttle Control Engine Stop

• The control unit recognises a general plausibility error for the throttle position sensor.

Effect:

• "Emergency Mode" is activated
• The malfunction indication is switched on.

Effect:

• Engine is stopped.

Engine Torque Request Signal Range/Performance

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.

Effect:

• Service Vehicle Soon Lamp ON

Load/Throttle Position not plausible

• The engine-torque reduction is active too long
• The control unit recognises a general plausibility error at the throttle position sensor or the mass air flow sensor

Cruise Control Interface Malfunction

• The control unit recognises incorrect CAN-Bus data

Brake Switch Circuit Low Voltage

• Incorrect voltage level at control unit terminal 57, 58 (XC55)

Brake Switch Circuit High Voltage

• Incorrect voltage level at control unit terminal 57, 58 (XC55)

Brake Switch Circuit Malfunction

• Incorrect voltage level at control unit terminal 57, 58 (XC55)

Immobiliser Function not Programmed

• The engine control unit is in reset state.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

Immobiliser Malfunction

• The engine control unit is in reset state.

Wrong Security Code Entered

• Entered security code is not valid for the actual vehicle

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

Immobiliser No Or Wrong Signal

• Communication error between the CIM and the engine control unit.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

Immobiliser Wrong Signal Received

• Communication error between the CIM and the engine control unit.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

Wrong Transponder Key

• Wrong transponder response received.

or

• The Environment Identification failed.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

ECM (Engine Control Module) Identification Failed

• The engine control unit identification failed.
• Vehicle-ID not received

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

CIM (Steering Column Module) Wrong Environment Identifier

• The engine control unit identification failed.
• Vehicle-ID not received

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon (SVS) Pictograph flashes

O2 Sensor Malfunction

• Sensor signal is out of range

Effect:

• Engine telltale is switched on

Service Vehicle Soon Request from Transmission Control Module

• The ECM receives the request from TCM to turn the Service Vehicle Soon (SVS) indicator on.

Torque Signal Malfunction (CAN)

• The control unit recognises a fault in the following system:
  Anti-Lock Brake System

Invalid Signal from ACC (Adaptiv Cruise Control)

• The control unit recognises incorrect CAN-Bus data

Invalid Signal from TCM (Transmission Control Module)

• The control unit recognises a fault in the following system:
  Automatic Transmission

Effect:

• Service Vehicle Soon Lamp ON

Invalid Signal from ECC (Electronic Climate Control)

• The control unit recognises a fault in the following system:
  Air Conditioning System