Vauxhall Workshop Service and Repair Manuals

DTC

Diagnostic Trouble Code Storage Condition

Ambient Air Temperature Sensor Malfunction

• The control unit recognises incorrect CAN-Bus data

Mass Or Volume Air Flow Circuit High Input

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to voltage)
• Engine running in engine speed range 1500 rpm to 5000 rpm
• Mass air flow sensor signal is greater than 511.7 kg/h

Effect:

• Engine telltale is switched on

Mass Or Volume Air Flow Circuit Low Input

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to ground or circuit interruption)
• Engine running in engine speed range 1500 rpm to 5000 rpm
• Mass air flow sensor signal is less than -19.1 kg/h

Effect:

• The malfunction indication is switched on.

Intake Air Temperature Sensor Circuit High Input

• 240 s elapsed time since engine start
• Throttle valve is closed for longer than 10 s (idle speed)
• Intake air temperature is greater than 138.8 °C (280.4 °F)
  (Short circuit to ground)

Replacement Value:

• The control unit takes 20.3 °C (68.0 °F) as replacement value.

Intake Air Temperature Sensor Circuit Low Input

• 240 s elapsed time since engine start
• Throttle valve is closed for longer than 10 s (idle speed)
• Intake air temperature is less than -36.7 °C (-32.8 °F)
  (Short circuit to voltage or circuit interruption)

Replacement Value:

• The control unit takes 20.3 °C (68.0 °F) as replacement value.

Engine Coolant Temperature Circuit High Input

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to voltage or circuit interruption)
• Coolant temperature is greater than 138.8 °C (280.4 °F)
  Above condition must be fulfilled for at least 1 s .

Effect:

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

Engine Coolant Temperature Circuit Low Input

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to ground)
• Coolant temperature is less than -36.7 °C (-32.8 °F)
  Above condition must be fulfilled for at least 1 s .

Effect:

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

Engine Coolant Temperature Sensor Circuit Range/Performance

• The control unit recognises a plausibility error in the following circuit:
  B39 Sensor - Temperature, Coolant

Effect:

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

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

• Throttle position sensor voltage is greater than 4.9 V
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

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 condition 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

• Engine idling
• The control unit recognises a general plausibility error for the throttle position sensor.
• Above condition must be fulfilled for at least 0.3 s .

Effect:

• Service Vehicle Soon Lamp ON

O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)

• Oxygen sensor voltage is greater than 1.5 V
  (Short circuit to voltage)
• Above condition must be fulfilled for at least 15 s .

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

• Oxygen sensor voltage is less than 60 mV
  (Short circuit to ground)
• Above condition must be fulfilled for at least 15 s .

Effect:

• Engine telltale is switched on

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

• Oxygen sensor voltage is greater than 1.2 V
  (Circuit interruption)
• The signals of the O2 Sensors B166 and B57 are not plausible

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)

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

Effect:

• Engine telltale is switched on

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

• The signals of the O2 Sensors B166 and B57 are not plausible

Effect:

• Engine telltale is switched on

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

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

Effect:

• Engine telltale is switched on

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

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

Effect:

• Engine telltale is switched on

O2 Sensor Heater Circuit Open (Bank 1 Sensor 1)

• Engine speed is greater than 40 rpm
• Battery voltage between 8.03 V and 16.06 V
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The sensor signal at control unit terminal 49 (XC1) 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)

• Oxygen sensor voltage is greater than 1.50 V
  (Short circuit to voltage)

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

• Oxygen sensor voltage is less than 60 mV
  (Short circuit to ground)
• The sensor signal at control unit terminal 41, 57 (XC1) 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 Range/Performance (Bank 1 Sensor 2)

• Sensor signal is out of range
• Incorrect voltage level at control unit terminal 41, 57 (XC1)

Effect:

• Engine telltale is switched on

O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Incorrect voltage level at control unit terminal 41, 57 (XC1)

Effect:

• Engine telltale is switched on

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

• The signals of the O2 Sensors B166 and B57 are not plausible

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)

Effect:

• 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)

Effect:

• Engine telltale is switched on

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The sensor signal at control unit terminal 35 (XC1) 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 Open (Bank 1 Sensor 2)

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

• Engine telltale is switched on

Fuel Trim Malfunction (Bank 1)

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  Intake system
• The measured mixture composition is implausible with the calculated mixture composition.

Effect:

• Engine telltale is switched on

Cylinder 1 Injector Circuit High

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

Effect:

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

Cylinder 1 Injector Circuit Low

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

Effect:

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

Cylinder 1 Injector Circuit Open

• Final stage diagnosis in control unit
  (Circuit interruption)

Effect:

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

Cylinder 2 Injector Circuit High

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

Effect:

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

Cylinder 2 Injector Circuit Low

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

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:

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

Cylinder 3 Injector Circuit High

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

Effect:

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

Cylinder 3 Injector Circuit Low

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

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:

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

Cylinder 4 Injector Circuit High

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

Effect:

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

Cylinder 4 Injector Circuit Low

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

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:

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

Engine Overspeed Condition

• Engine speed is greater than 6500 rpm
• Above condition must be fulfilled for at least 0.6 s .

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

• Throttle position sensor voltage is greater than 4.9 V
  (Short circuit to voltage)
• Above condition 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 condition 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

• Engine idling
• The control unit recognises a general plausibility error for the throttle position sensor.
• Above condition must be fulfilled for at least 0.3 s .

Effect:

• Service Vehicle Soon Lamp ON

Fuel Pump Primary Circuit High

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

Fuel Pump Primary Circuit Low

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
  (Short circuit to ground)
• Temperature inside the control unit box is too high.
• The control unit recognises an internal control unit malfunction

Random/Multiple Cylinder Misfire Detected

• The control unit detects misfiring from different cylinders

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:

• The engine telltale is flashing.

Cylinder 2 Misfire Detected

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The control unit detects misfiring from cylinder 2

Effect:

• The engine telltale is flashing.

Cylinder 3 Misfire Detected

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The control unit detects misfiring from cylinder 3

Effect:

• The engine telltale is flashing.

Cylinder 4 Misfire Detected

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• The control unit detects misfiring from cylinder 4

Effect:

• The engine telltale is flashing.

Misfire Detected at Low Fuel Level

• The control unit detects misfiring from different cylinders
• The fuel reserve is too low.

Knock Sensor 1 Circuit High Input (Bank 1 Or Single Sensor)

• The control unit recognises an implausible value from the knock module

or

• The fuel reserve is too low.

Effect:

• Service Vehicle Soon Lamp ON

Knock Sensor 1 Circuit Low Input (Bank 1 Or Single Sensor)

• The control unit recognises an implausible value from the knock module

or

• The fuel reserve is too low.

Effect:

• Service Vehicle Soon Lamp ON

Crankshaft Sensor Incorrect Signal

• The control unit recognises camshaft pulses, but no crankshaft pulses.
• Above condition must be fulfilled for at least 1 s .

Effect:

• Engine does not start, starter runs normal

Crankshaft Sensor Circuit Range/Performance

• Engine running
• The sensor signal at control unit terminal 27, 43 (XC1) is noisy.

Camshaft Position Sensor Circuit High Input

• The voltage at the control unit input (terminal 4 (XC1) ) is too high.
• The fault is stored directly on recognition.

Effect:

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

Camshaft Position Sensor Circuit Low Input

• The voltage at the control unit input (terminal 4 (XC1) ) is temporary too low.
• The fault is stored directly on recognition.

Effect:

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

Camshaft Position Sensor Circuit Open

• Engine running
• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Incorrect voltage level at control unit terminal 4 (XC1)

Effect:

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

Camshaft Position Sensor Circuit Range/Performance

• Engine running
• 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

Camshaft Position Sensor Circuit Malfunction

• Engine running
• Engine speed signal recognised
• The control unit cannot synchronise the camshaft signal.
  (Incorrect assignment of crankshaft position and camshaft position)

Note:

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

Exhaust Gas Recirculation Circuit Low Voltage

• Final stage diagnosis in control unit
  Short to ground in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

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

Exhaust Gas Recirculation Circuit High Voltage

• Final stage diagnosis in control unit
  Short to voltage in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

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

Exhaust Gas Recirculation Circuit Malfunction

• Final stage diagnosis in control unit
  Interruption in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

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

Catalyst System Efficiency Below Threshold (Bank 1)

• The signals of the O2 Sensors B166 and B57 are not plausible

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Valve Voltage High

• Final stage diagnosis in control unit
  Short to voltage in circuit to control unit terminal 33 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Valve Voltage Low

• Final stage diagnosis in control unit
  Interruption in circuit to control unit terminal 33 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

Fuel Tank Ventilation Open Circuit

• Final stage diagnosis in control unit
  Short to ground in circuit to control unit terminal 33 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

Fuel Level Sensor Circuit Range/Performance

• Invalid fuel level signal (CAN) from REC
  Above condition must be fulfilled for at least 5 s .

Vehicle Speed Signal Range/Performance

• The control unit receives the following signal not or wrong:
  Vehicle speed signal (CAN) of the ABS/TC control unit.
• Above conditions must be fulfilled for at least 4.5 s .

Vehicle Speed Signal Range/Performance

• The control unit receives the following signal not or wrong:
  Vehicle speed signal (CAN) of the ABS/TC control unit.
• Above conditions must be fulfilled for at least 4.5 s .

Engine Oil Pressure Sensor/Switch Circuit Range/Performance

• The control unit recognises a plausibility error in the following circuit:
  S87 Switch - Oil Pressure
• Above condition must be fulfilled for at least 10 s .

A/C Pressure Sensor Circuit High Input

• The voltage at the control unit input (terminal 39 (XC2) ) is greater than 4.9 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Air conditioning system is switched off.

A/C Pressure Sensor Circuit Low Input

• The voltage at the control unit input (terminal 39 (XC2) ) is less than 0.1 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Air conditioning system is switched off.

Brake Light Switch Circuit Malfunction

• The control unit recognises the malfunction of the circuit via an internal evaluation logic.
• Incorrect voltage level at control unit terminal 25, 57 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Knock Control Module; Replace ECU

• Control unit hardware failure

Knock Sensor Circuit Malfunction

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  B65 Sensor - Knock Control

Effect:

• Service Vehicle Soon Lamp ON

Generator Lamp "L" Control Circuit Malfunction

• Incorrect voltage level at control unit terminal 42 (XC2)
  (Short circuit to ground/voltage or circuit interruption)

Clutch Switch Input Circuit Malfunction

• Incorrect voltage level at control unit terminal 8 (XC2)
  (Short circuit to ground/voltage or circuit interruption)
• Vehicle speed is greater than 50 km/h (31 mph)

Port Deactivation Solenoid Valve Actuation Error

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  Y1_Y21B Solenoid Valve - Twinport

Port Deactivation Position Sensor Circuit Low Voltage

• The voltage at the control unit input (terminal 10, 44 (XC1) ) is less than 0.2 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

Port Deactivation Position Sensor Circuit High Voltage

• The voltage at the control unit input (terminal 10, 40 (XC1) ) is greater than 4.3 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Engine telltale is switched on

Port Deactivation Position Sensor Circuit High Voltage

• The voltage at the control unit input (terminal 10, 40 (XC1) ) is greater than 4.3 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Service Vehicle Soon Lamp ON

Port Deactivation Position Sensor Circuit Low Voltage

• The voltage at the control unit input (terminal 10, 44 (XC1) ) is less than 0.2 V .
• Above condition must be fulfilled for at least 0.5 s .

Effect:

• Service Vehicle Soon Lamp ON

Port Deactivation Solenoid Valve Circuit High Voltage

• Final stage diagnosis in control unit
  Short to voltage in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Port Deactivation Solenoid Valve Circuit Malfunction

• Final stage diagnosis in control unit
  Interruption in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Port Deactivation Solenoid Valve Circuit Low Voltage

• Final stage diagnosis in control unit
  Short to ground in circuit to control unit terminal 34 (XC1)
• Above condition must be fulfilled for at least 0.5 s .

Accelerator Pedal Position Sensor 1 High Input

• Short to voltage in circuit to control unit terminal 54 (XC2)

Effect:

• Service Vehicle Soon Lamp ON
• Above condition must be fulfilled for at least 0.2 s .

Accelerator Pedal Position Sensor 1 Low Input

• Short to ground or interruption in circuit to control unit terminal 54 (XC2)
• Above condition must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 1 and 2 Signal Incorrect Ratio

• The control unit recognises a general plausibility error for the pedal position sensor.
• Above condition must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Accelerator Pedal Position Sensor 2 High Input

• Short to voltage in circuit to control unit terminal 37 (XC2)
• Above condition must be fulfilled for at least 0.2 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 37 (XC2)
• Above condition must be fulfilled for at least 0.2 s .

Effect:

• Service Vehicle Soon Lamp ON

Main Relay Malfunction

• Incorrect voltage level at control unit terminal 19 (XC1)
• Above condition must be fulfilled for at least 2 s .

Exhaust Gas Recirculation Valve Feedback Signal Malfunction

• No correlation between command and feedback signal.
• Above condition must be fulfilled for at least 3 s .

Effect:

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

Exhaust Gas Recirculation Circuit High Voltage

• Final stage diagnosis in control unit
  Short to voltage in circuit to control unit terminal 54 (XC1)
• Above condition must be fulfilled for at least 3 s .

Effect:

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

Exhaust Gas Recirculation Circuit Low Voltage

• Final stage diagnosis in control unit
  Short to ground in circuit to control unit terminal 54 (XC1)
• Above condition must be fulfilled for at least 3 s .

Effect:

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

Exhaust Gas Recirculation (EGR) Valve Feedback Incorrect Signal

• No correlation between command and feedback signal.

Effect:

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

Exhaust Gas Recirculation Valve Stuck

• The control unit recognises an implausible position of the exhaust gas recirculation valve.
• Above conditions must be fulfilled for at least 3 s .

Effect:

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

Fan Control 1 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 14 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 1 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 14 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 1 Circuit Open

• Interruption in circuit to control unit terminal 14 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 2 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 46 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 2 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 46 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 2 Circuit Open

• Interruption in circuit to control unit terminal 46 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 3 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 45 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 3 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 45 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Fan Control 3 Circuit Open

• Interruption in circuit to control unit terminal 45 (XC2)

Effect:

• Service Vehicle Soon Lamp ON

Electronic Throttle Control Malfunction

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  A111 Throttle Valve - Positioner
• Wrong/intermittent/erratic connection respectively wrong signal in circuit to control unit terminal 14, 30 (XC1)

or

• The control unit recognises that the temperature at the motor drive is too high.

Effect:

• Service Vehicle Soon Lamp ON

Throttle Actuator Control Return Performance

• 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

Throttle Control Lower Position not Learned

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

or

• Wrong/intermittent/erratic connection respectively wrong signal in circuit to control unit terminal 14, 23, 30, 39, 56, 58 (XC1)

Conditions to enable trouble code recognition

The trouble code recognition is enabled, if the following conditions are fulfilled:

• Following trouble codes not stored: P1500
• Vehicle speed sensor signal equal 0 km/h (0 mph) (vehicle stationary)

Effect:

• Service Vehicle Soon Lamp ON

A/C Relay Voltage High

• Short to voltage in circuit to control unit terminal 30 (XC2)
• Above condition must be fulfilled for at least 0.5 s .

A/C Relay Voltage Low

• Short to ground in circuit to control unit terminal 30 (XC2)
• Above conditions must be fulfilled for at least 0.5 s .

A/C Relay Circuit Open

• Interruption in circuit to control unit terminal 30 (XC2)
• Above conditions must be fulfilled for at least 0.5 s .

Cruise Control Interface Malfunction

• The ECM receives an invalid signal from the ABS via CAN-Bus.
• Above condition must be fulfilled for at least 5 s .

Effect:

• The cruise control is switched off.

Engine Torque not plausible

• The control unit receives the following signal not or wrong:
  Actual engine torque

Engine Torque not plausible

• The control unit receives the following signal not or wrong:
  Actual engine torque

Immobiliser Function not Programmed

• The engine control unit is in reset state.

Effect:

• The Service Vehicle Soon Telltale is flashing.

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:

• The Service Vehicle Soon Telltale is flashing.

Immobiliser No Or Wrong Signal

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

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon Telltale is flashing.

Wrong Transponder Key

• Wrong transponder response received.

or

• The Environment Identification failed.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon Telltale is flashing.

Immobiliser Wrong Signal Received

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

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon Telltale is flashing.

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 Telltale is flashing.

CIM (Steering Column Module) Wrong Environment Identifier

• The Environment Identification failed.

Effect:

• Engine operation is impossible.
• The Service Vehicle Soon Telltale is flashing.

Torque Signal Malfunction (CAN)

• Invalid data exchange between ABS and ECM

Effect:

• Service Vehicle Soon Lamp ON

Invalid Signal from ECC (Electronic Climate Control)

• The ECM receives an invalid signal from the ECC via CAN-Bus.
• Above condition must be fulfilled for at least 5 s .