Vauxhall Workshop Service and Repair Manuals

DTC

Diagnostic Trouble Code Storage Condition

Fuel Metering Solenoid Valve Circuit Open

• Interruption in circuit to control unit terminal 19, 49 (XC11)
• Above conditions must be fulfilled for at least 0.22 s .

Fuel Metering Solenoid Valve Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.28 s .

Fuel Metering Solenoid Valve Circuit Range/Performance

• The control unit recognises a difference between desired and actual value.
  Oil pressure common rail too high
  or
  Oil pressure common rail too low

Fuel Metering Solenoid Valve Circuit Low Voltage

• Short to ground in circuit to control unit terminal 49 (XC11)
• Above condition must be fulfilled for at least 0.28 s .

Fuel Metering Solenoid Valve Circuit High Voltage

• Short to voltage in circuit to control unit terminal 49 (XC11)
• Above condition must be fulfilled for at least 0.22 s .

Crankshaft/Camshaft Correlation

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

Effect:

• The telltale is switched on.

Ambient Air Temperature Sensor Malfunction

• Invalid data exchange between DIS and ECM

Rail Pressure Low Pressure

• Difference between actual and desired common rail pressure is greater than 20.0 MPa
• Above condition must be fulfilled for at least 0.3 s .

Rail Pressure High Pressure

• Common rail pressure is greater than 175.0 MPa

Effect:

• Engine is stopped.

Mass Or Volume Air Flow Circuit Malfunction

• Short to voltage/ground or interruption in circuit to control unit terminal 42 (XC11)

Mass Or Volume Air Flow Circuit High Input

• Short to voltage in circuit to control unit terminal 42 (XC11)
• Above condition must be fulfilled for at least 0.3 s .

Mass Or Volume Air Flow Circuit Low Input

• The voltage at the control unit input (terminal 42 (XC11) ) is too low.
  (Short circuit to ground)
• Above condition must be fulfilled for at least 0.3 s .

Mass or Volume Air Flow Sensor Circuit Range/Performance

• The sensor signal at control unit terminal 42 (XC11) is noisy.

Intake Air Temperature Sensor Circuit Low Input

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Air Mass Meter
• Above condition must be fulfilled for at least 2 s .

Intake Air Temperature Sensor Circuit High Input

• The control unit recognises a malfunction via an internal evaluation logic at the following component:
  Air Mass Meter
• Above condition must be fulfilled for at least 2 s .

Intake Air Temperature Sensor Circuit Malfunction

• Short to voltage/ground or interruption in circuit to control unit terminal 44 (XC11)
• Above condition must be fulfilled for at least 0.58 s .

Boost Pressure Sensor Circuit Low Input

• The voltage at the control unit input (terminal 40 (XC11) ) is less than 0.2 V .
  (Short circuit to ground)

Replacement Value:

• The control unit calculates with replacement value of 800 hPa ( 0.8 bar ).

Boost Pressure Sensor Circuit High Input

• The voltage at the control unit input (terminal 40 (XC11) ) is greater than 4.9 V .
  (Short circuit to voltage or circuit interruption)

Replacement Value:

• The control unit calculates with replacement value of 800 hPa ( 0.8 bar ).

Barometric Pressure not plausible with Boost Pressure

• Engine speed is less than 950 rpm
• The difference between the boost pressure sensor and the barometric pressure sensor is greater than 10.2 kPa ( 0.102 bar )
• Above conditions must be fulfilled for at least 7 s .

Engine Coolant Temperature Circuit Low Input

• The voltage at the control unit input (terminal 41, 58 (XC11) ) is less than 0.35 V .
• Above condition must be fulfilled for at least 0.5 s .

Engine Coolant Temperature Circuit High Input

• The voltage at the control unit input (terminal 41, 58 (XC11) ) is greater than 4.95 V .
• Above condition must be fulfilled for at least 2 s .

Engine Coolant Temperature Sensor Circuit Range/Performance

• Engine coolant temperature increases too slow

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

• Engine speed is greater than 1000 rpm
• The fuel quantity injected is greater than 5 mm^3
• Coolant temperature is greater than 38 °C (100 °F)
• Above conditions must be fulfilled for at least 8 min.

Rail Pressure Sensor Low Voltage

• The voltage at the control unit input (terminal 43 (XC11) ) is less than 0.25 V .
• Above condition must be fulfilled for at least 0.14 s .

Rail Pressure Sensor High Voltage

• The voltage at the control unit input (terminal 43 (XC11) ) is greater than 4.76 V .
• Above condition must be fulfilled for at least 0.14 s .

Cylinder 1 Injector Circuit Open

• Circuit interruption to control unit terminal 16, 47 (XC11)

Cylinder 2 Injector Circuit Open

• Circuit interruption to control unit terminal 2, 31 (XC11)

Cylinder 3 Injector Circuit Open

• Circuit interruption to control unit terminal 1, 46 (XC11)

Cylinder 4 Injector Circuit Open

• Circuit interruption to control unit terminal 17, 33 (XC11)

Engine Overspeed Condition

• Engine speed was greater than 6000 rpm

Effect:

• Engine is stopped.
• Engine telltale is switched on

Boost Pressure Control Circuit Negative Deviation

• The boost pressure is too high

Effect:

• Exhaust gas recirculation valve is switched off
• Boost pressure control is not longer possible.

Boost Pressure Control Circuit Positive Deviation

• The boost pressure is too low

Effect:

• Exhaust gas recirculation valve is switched off
• Boost pressure control is not longer possible.

Boost Pressure Valve High Voltage

• Short to voltage in circuit to control unit terminal 15 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Boost Pressure Valve Low Voltage

• Short to ground in circuit to control unit terminal 15 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Boost Pressure Valve Circuit Open

• Short to ground or interruption in circuit to control unit terminal 15 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Boost Pressure Valve Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.48 s .

Cylinder 1 Injector Circuit High

• Short circuit in wiring harness between terminal 16 (XC11) and terminal 47 (XC11)

Cylinder 2 Injector Circuit High

• Short circuit in wiring harness between terminal 2 (XC11) and terminal 31 (XC11)

Cylinder 3 Injector Circuit High

• Short circuit in wiring harness between terminal 1 (XC11) and terminal 46 (XC11)

Cylinder 4 Injector Circuit High

• Short circuit in wiring harness between terminal 17 (XC11) and terminal 33 (XC11)

Crankshaft Position Sensor "A" Circuit Range/Performance

• Crankshaft Position variation is not within an acceptable range, or can not be learned

Crankshaft Position Sensor "A" Circuit Open

• No engine speed signal

Effect:

Engine is stopped.

Camshaft Position Sensor Circuit Range/Performance

• Engine speed is greater than 60 rpm
• The control unit recognises no or an implausible camshaft signal.
• Above conditions must be fulfilled for at least 1 s .

Camshaft Position Sensor Circuit Open

• Camshaft signal not recognised

Note:

Glow Device Circuit High Voltage

• Final stage diagnosis in control unit
  (Short circuit to voltage)
• Above conditions must be fulfilled for at least 0.6 s .

Glow Device Circuit Low Voltage

• Final stage diagnosis in control unit
  (Short circuit to ground)
• Above conditions must be fulfilled for at least 0.6 s .

Glow Device Circuit Open Circuit

• Final stage diagnosis in control unit
  (Circuit interruption)
• Above conditions must be fulfilled for at least 0.6 s .

Glow Device General Error

• Failure in glow device circuit
• Above conditions must be fulfilled for at least 2.5 s .

Glow Device Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.6 s .

Exhaust Gas Recirculation Circuit High Voltage

• Short to voltage in circuit to control unit terminal 34 (XC11)
• Above condition must be fulfilled for at least 3 s .

Exhaust Gas Recirculation Circuit Low Voltage

• Short to ground in circuit to control unit terminal 34 (XC11)
• Above condition must be fulfilled for at least 3 s .

Exhaust Gas Recirculation Circuit Open

• Interruption in circuit to control unit terminal 34 (XC11)
• Above conditions must be fulfilled for at least 3 s .

Exhaust Gas Recirculation Flow Insufficient Detected

• The actual exhaust-gas recirculation flow value is less than the nominal exhaust-gas recirculation flow value

Effect:

• Exhaust gas recirculation valve is switched off
• Boost pressure control is not longer possible.
• The fuel injection quantity is reduced.

Exhaust Gas Recirculation Flow Excessive Detected

• Actual exhaust gas recirculation quantity is too great

Effect:

• Exhaust gas recirculation valve is switched off
• Boost pressure control is not longer possible.

Exhaust Gas Recirculation Valve Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 3 s .

Vehicle Speed Signal not plausible with Engine Speed and Injection Mass

• The control unit receives the following signal not or wrong:
  Vehicle Speed Input Signal
  or
• The fuel consumption is too high for the corresponding power output.

Vehicle Speed Signal Range/Performance

• The control unit receives the following signal not or wrong:
  Vehicle Speed Input Signal

A/C Pressure Sensor Circuit Low Input

• The voltage at control unit terminal 13 (XC12) is less than 0.1 V

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

• Engine idling
• Intake air temperature is greater than 5 °C (41 °F)
• Above conditions must be fulfilled for at least 1 s .

A/C Pressure Sensor Circuit High Input

• The voltage at control unit terminal 13 (XC12) is greater than 4.9 V

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

• Engine idling
• Intake air temperature is greater than 5 °C (41 °F)
• Above conditions must be fulfilled for at least 1 s .

Generator Lamp "L" Control Circuit Malfunction

• Short to voltage in circuit to control unit terminal 19 (XC12)
• Above condition must be fulfilled for at least 5 s .

Generator Lamp "L" Control Circuit Malfunction

• Incorrect voltage level at control unit terminal 19 (XC12)
  (Short circuit to ground/voltage or circuit interruption)

Generator Field "F" Control Circuit Malfunction

• Short to voltage/ground or interruption in circuit to control unit terminal 75 (XC12)

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

• Ignition ON
• Engine OFF
• Above conditions must be fulfilled for at least 2 s .

Electronic Throttle Control High Voltage

• Short to voltage in circuit to control unit terminal 59 (XC11)
• Above conditions must be fulfilled for at least 3 s .

Electronic Throttle Control Low Voltage

• Short to ground or interruption in circuit to control unit terminal 59 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Electronic Throttle Control Circuit open

• Short to ground or interruption in circuit to control unit terminal 59 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Electronic Throttle Control Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.48 s .

5V Reference Circuit 1 Low Voltage

• The internal control unit reference voltage is less than 4.65 V .

5V Reference Circuit 1 High Voltage

• The internal control unit reference voltage is greater than 5.35 V .

5V Reference Circuit 2 Low Voltage

• The internal control unit reference voltage is less than 4.65 V .

5V Reference Circuit 2 High Voltage

• The internal control unit reference voltage is greater than 5.35 V .

5V Reference Circuit 3 Low Voltage

• The internal control unit reference voltage is less than 4.65 V .

5V Reference Circuit 3 High Voltage

• The internal control unit reference voltage is greater than 5.35 V .

Brake Switch Circuit Malfunction

• Engine speed is greater than 1350 rpm
• The trouble code is stored, if brake pedal and accelerator pedal are actuated at the same time.

Effect:

• Engine speed is controlled to a fixed value of 850 rpm

Note:

The fault detection is only possible if the brake-light switch is operational. The trouble code will be set, if the pedal position sensor has a malfunction or the pedal position is implausible.

Clutch Switch Input Circuit Malfunction

• Vehicle accelerated from stop (from 1 km/h (1 mph) up to approximately 35 km/h (22 mph))
• No signal change of the clutch switch signal recognised

Barometric Pressure Sensor Circuit Low Input

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

Replacement Value:

• The control unit calculates with replacement values depending on the boost pressure.

Barometric Pressure Sensor Circuit High Input

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

Replacement Value:

• The control unit calculates with replacement values depending on the boost pressure.

Swirl Actuator High Voltage

• Short to voltage in circuit to control unit terminal 45 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Swirl Actuator Low Voltage

• Short to ground in circuit to control unit terminal 45 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Swirl Actuator Circuit Open

• Short to ground or interruption in circuit to control unit terminal 45 (XC11)
• Above condition must be fulfilled for at least 0.48 s .

Swirl Actuator Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.48 s .

Accelerator Pedal Position Sensor 1 High Input

• The voltage at the control unit input (terminal 9 (XC12) ) is greater than 4.7 V .
  (Short circuit to voltage)

Effect:

• Accelerator pedal out of function

Accelerator Pedal Position Sensor 1 Range/Performance

• Short to ground or interruption in circuit to control unit terminal 9 (XC12)

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

• The voltage at control unit terminal 9 (XC12) is less than 0.15 V
  &
  The voltage at control unit terminal 31 (XC12) is less than 0.15 V

Accelerator Pedal Position Sensor 1 and 2 Signal Incorrect Ratio

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

Accelerator Pedal Position Sensor 2 High Input

• The voltage at control unit terminal 31 (XC12) is greater than 2.5 V
  (Short circuit to voltage)

Accelerator Pedal Position Sensor 2 Range/Performance

• Short to ground or interruption in circuit to control unit terminal 31 (XC12)

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

• The voltage at control unit terminal 31 (XC12) is less than 0.15 V
  &
  The voltage at control unit terminal 9 (XC12) is less than 0.15 V

Accelerator Pedal Position Sensor 1 and 2 Signal Incorrect Ratio

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

Throttle Actuator Feedback Signal Range/Performance

• Signal lead indicates an implausible value.
• Above condition must be fulfilled for at least 0.3 - 4 s .

Fuel Filter Heater High Voltage

• Short to voltage in circuit to control unit terminal 68
• Above condition must be fulfilled for at least 0.3 s .

Fuel Filter Heater Low Voltage

• Short to ground in circuit to control unit terminal 68
• Above condition must be fulfilled for at least 0.3 s .

Fuel Filter Heater Circuit Open

• Interruption in circuit to control unit terminal 68
• Above conditions must be fulfilled for at least 0.3 s .

Fuel Filter Heater Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.3 s .

Exhaust Gas Recirculation Circuit Low Voltage

• Short to ground in circuit to control unit terminal 57 (XC11)
• Above condition must be fulfilled for at least 4 s .

Exhaust Gas Recirculation Circuit High Voltage

• Short to voltage in circuit to control unit terminal 57 (XC11)
• Above condition must be fulfilled for at least 4 s .

Exhaust Gas Recirculation Circuit Range/Performance

• The control unit recognises an implausible position of the exhaust gas recirculation valve.
• Above conditions must be fulfilled for at least 10 s .

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 5 s .

Fan Control 1 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 90 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 1 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 90 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 1 Circuit Open

• Interruption in circuit to control unit terminal 90 (XC12)
• Above conditions must be fulfilled for at least 0.6 s .

Fan Control 1 Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 2 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 69 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 2 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 69 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 2 Circuit Open

• Interruption in circuit to control unit terminal 69 (XC12)
• Above conditions must be fulfilled for at least 0.6 s .

Fan Control 2 Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 3 Circuit High Voltage

• Short to voltage in circuit to control unit terminal 94 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 3 Circuit Low Voltage

• Short to ground in circuit to control unit terminal 94 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

Fan Control 3 Circuit Open

• Interruption in circuit to control unit terminal 94 (XC12)
• Above conditions must be fulfilled for at least 0.6 s .

Fan Control 3 Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.6 s .

A/C Relay Voltage High

• Short to voltage in circuit to control unit terminal 29 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

A/C Relay Voltage Low

• Short to ground in circuit to control unit terminal 29 (XC12)
• Above condition must be fulfilled for at least 0.6 s .

A/C Relay Circuit Open

• Interruption in circuit to control unit terminal 29 (XC12)
• Above conditions must be fulfilled for at least 0.6 s .

A/C Relay Powerstage High Temperature

• The ascertained Control Unit temperature is out of range.
• Above condition must be fulfilled for at least 0.6 s .

System Voltage Malfunction

• The voltage measurement results an implausible value.
• Above condition must be fulfilled for at least 0.1 s .

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.

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.

Wrong Transponder Key

• Wrong transponder response received.

or

• The Environment Identification failed.

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.

Main Relay opens too early

• Main relay shuts off too early.

Note:

If the main relay is shut off too early after the power down time of the control unit, the trouble codes will not be stored.

Main Relay opens too late

• Main relay shuts off too late or not at all.

Note:

If the main relay is not switched off after the power down time of the control units, a time counter in the engine control unit is started. If the main relay does not switch off after an internally programmed time, the trouble code will be set.

Torque Signal Malfunction (CAN)

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

Cruise Control Interface Malfunction

• Incorrect message or invalid data received from CIM

Limp home - Limited Performance

• Mechanical engine problem
  or
• Overheating of the system caused by overload

Effect:

• The fuel injection quantity is reduced.

Note:

This trouble code is set when an engine protection function is activated.

Injector 1 or 4 Short Circuit

• The voltage condition measured by the control unit at the output driver to the injectors does not correspond to the nominal value
  (Short circuit to ground or voltage)

Injector 1 or 4 Malfunction

• The control unit recognises a difference between desired and actual value.
  (Short circuit to ground)

Injector 2 or 3 Short Circuit

• The voltage condition measured by the control unit at the output driver to the injectors does not correspond to the nominal value
  (Short circuit to ground or voltage)

Injector 2 or 3 Malfunction

• The control unit recognises a difference between desired and actual value.
  (Short circuit to ground)

Intake Air System Leak Detected

• The control unit recognises a mechanical malfunction of the following component via an internal evaluation logic:
  Intake system