Contents

Alignment inlet camshaft / crankshaft - Wrong mounting position

Dump valve turbo - Circuit short to ground

Dump valve turbo - Circuit short to battery

Dump valve turbo - Circuit open

Turbo dump valve - Actuator stuck closed

LPG rail gas pressure low - Signal plausibility failure

LPG rail gas pressure low - Actuator stuck open

LPG rail gas pressure low - Fluid leak or seal failure

LPG rail gas pressure high - Actuator stuck open

LPG rail gas pressure high - Signal amplitude > maximum

Intake manifold pressure sensor (Electrical test) - Circuit short to ground

Intake manifold pressure sensor (Electrical test) - Circuit short to battery or open

Manifold pressure sensor - Signal amplitude

Manifold pressure sensor - Signal amplitude >maximum

Manifold pressure sensor - Signal stuck low

Manifold pressure sensor - Signal stuck high

Manifold pressure sensor - Signal compare failure

Manifold pressure sensor - Signal plausibility failure

Engine air temperature sensor - Circuit short to ground

Engine air temperature sensor - Circuit short to battery or open

Engine air temperature sensor - Signal above allowable range

Engine coolant temperature sensor (Electrical test) - Circuit short to ground

Engine coolant temperature sensor (Electrical test) - Circuit short to battery or open

Engine coolant temperature sensor - Signal bias level out of range/zero adjustment failure

Engine coolant temperature sensor - Signal above allowable range

Accelerator pedal potentiometer 1 - Circuit short to battery

Accelerator pedal potentiometer 1 - Circuit short to ground or open

Accelerator pedal potentiometer 1 - Signal compare failure

Throttle potentiometer sensor 1 - Circuit short to battery

Throttle potentiometer sensor 1 - Circuit short to ground or open

Throttle potentiometer sensor 1 - Signal compare failure

Upstream lambda probe (Electrical test) - Circuit short to ground

Upstream lambda probe (Electrical test) - Circuit short to battery

Upstream lambda probe (Electrical test) - Circuit open

Upstream lambda probe (Electrical test) - Signal compare failure

Upstream lambda probe (Functional test) - Signal rate of change below threshold

Upstream lambda probe heater power stage - Circuit short to ground

Upstream lambda probe heater power stage - Circuit short to battery

Upstream lambda probe heater power stage - Circuit open

Downstream lambda probe - Circuit short to ground

Downstream lambda probe - Circuit short to battery

Downstream lambda probe - Circuit open

Downstream lambda probe - Signal compare failure

Downstream lambda probe - Circuit voltage below threshold

Downstream lambda probe - Circuit voltage above threshold

Downstream lambda probe - Signal frequency too low

Downstream lambda probe heater - Circuit short to ground

Downstream lambda probe heater - Circuit short to battery

Downstream lambda probe heater - Circuit open

Multiplicative Adaptation Correction of Lambda Control in LPG mode - Circuit voltage below threshold

Multiplicative Adaptation Correction of Lambda Control in LPG mode - Circuit voltage above threshold

Additive adaption correction of Lambda in LPG mode - Circuit voltage below threshold

Additive adaption correction of Lambda in LPG mode - Circuit voltage above threshold

LPG fuel rail pressure - Circuit short to ground

LPG fuel rail pressure - Circuit short to battery or open

Injector 1 command - Circuit short to ground

Injector 1 command - Circuit short to battery

Injector 1 command - Circuit open

Injector 2 command - Circuit short to ground

Injector 2 command - Circuit short to battery

Injector 2 command - Circuit open

Injector 3 command - Circuit short to ground

Injector 3 command - Circuit short to battery

Injector 3 command - Circuit open

Injector 4 command - Circuit short to ground

Injector 4 command - Circuit short to battery

Injector 4 command - Circuit open

Engine overspeed recognition - Event information

Accelerator pedal potentiometer 2 - Circuit short to battery

Accelerator pedal potentiometer 2 - Circuit short to ground or open

Throttle potentiometer sensor 2 - Circuit short to battery

Throttle potentiometer sensor 2 - Circuit short to ground or open

Throttle potentiometer sensor 2 - Signal compare failure

Fuel pump relay command - Circuit short to ground

Fuel pump relay command - Circuit short to battery

Fuel pump relay command - Circuit open

Pressure sensor upstream throttle valve - Circuit short to ground

Pressure sensor upstream throttle valve - Circuit short to battery or open

Manifold pressure sensor - Signal shape/waveform failure

Manifold pressure sensor - Signal rate of change below threshold

Manifold pressure sensor - Signal rate of change above threshold

Manifold pressure sensor - Signal invalid

Turbo boost actuator - Actuator stuck open

Turbo boost actuator - Mechanical linkage failure

Waste gate valve - Circuit short to ground

Waste gate valve - Circuit short to battery

Waste gate valve - Circuit open

Misfire random - Performance or incorrect operation

Misfire cylinder 1 - Performance or incorrect operation

Misfire cylinder 2 - Performance or incorrect operation

Misfire cylinder 3 - Performance or incorrect operation

Misfire cylinder 4 - Performance or incorrect operation

Knock sensor - Signal frequency too low

Knock sensor - Signal frequency too high

Knock sensors cylinder 3 + 4 - Circuit short to ground

Knock sensors cylinder 3 + 4 - Circuit short to battery

Knock sensors cylinder 3 + 4 - Circuit short to ground

Knock sensors cylinder 3 + 4 - Circuit short to battery

Engine speed sensor - Signal compare failure

Engine speed sensor - Signal signal invalid

Camshaft sensor - Circuit short to ground

Camshaft sensor - Circuit short to battery or open

Camshaft sensor - Signal compare failure

Catalyst efficiency - Signal compare failure

Purge control valve - Actuator stuck open

Purge control valve - Actuator stuck closed

Purge canister valve - Circuit short to ground

Purge canister valve - Circuit short to battery

Purge canister valve - Circuit open

Fuel level - Signal invalid

Cooling fan 1 - Circuit short to ground

Cooling fan 1 - Circuit short to battery

Cooling fan 1 - Circuit open

Cooling fan 1 - Over temperature

Cooling fan 2 - Circuit short to ground

Cooling fan 2 - Circuit short to battery

Cooling fan 2 - Circuit open

Cooling fan 2 - Over temperature

Vehicle speed - Event information

Vehicle speed - Signal plausibility failure

Brake pedal switch - Circuit open

Brake pedal switch - Signal compare failure

Brake pedal switch - Signal incorrect after event

Brake pedal switch - Alive/sequence counter incorrect/not updated

Idle control system - Circuit voltage below threshold

Idle control system - Circuit voltage above threshold

Oil pressure switch - Signal incorrect after event

Air conditioner pressure sensor - Circuit short to battery

Air conditioner pressure sensor - Circuit short to ground or open

Battery voltage - Circuit voltage below threshold

Battery voltage - Circuit voltage above threshold

Cruise control - Signal invalid

Cruise control disabled for high deceleration - Signal compare failure

Cruise control anomalies (disable for high acceleration) - Signal compare failure

Cruise control anomalies (disable for high acceleration) - Event information

Control unit faulty (Microprocessor) - Component internal failure

Control unit faulty (Internal component) - Signal amplitude >maximum

Control unit faulty (Internal component) - Signal signal invalid

A/D converter - System Internal Failures

A/D converter - Watchdog/safety µC failure

Accelerator pedal voltage - Component internal failure

Control unit faulty (Internal component) - Signal compare failure

Alternator signal electrical failure - Circuit short to ground

Alternator signal electrical failure - Circuit short to battery or open

Motorized throttle valve power stage - Circuit open

Motorized throttle valve power stage - Signal signal invalid

Motorized throttle valve power stage - Signal invalid

Motorized throttle valve power stage - Component or system over temperature

Compressor air conditioner relay - Circuit short to ground

Compressor air conditioner relay - Circuit short to battery

Compressor air conditioner relay - Circuit open

Compressor air conditioner relay - Over temperature

Clutch pedal position sensor (MT application) - Circuit short to battery

Clutch pedal position sensor (MT application) - Circuit short to ground or open

Clutch pedal position sensor (MT application) - Signal plausibility failure

Clutch position not learned (MT application) - Not configured

Clutch position not learned (MT application) - Signal compare failure

Reverse gear switch (MT application) - Circuit short to battery

Engine not running in LPG mode - Signal stuck low

Engine not running in LPG mode - Signal stuck high

Engine not running in LPG mode - Signal plausibility failure

LPG cylinder misfire detected - Performance or incorrect operation

LPG cylinder 1 misfire detected - Performance or incorrect operation

LPG cylinder 2 misfire detected - Performance or incorrect operation

LPG cylinder 3 misfire detected - Performance or incorrect operation

LPG cylinder 4 misfire detected - Performance or incorrect operation

LPG rail temperature sensor - Circuit short to ground

LPG rail temperature sensor - Circuit short to battery or open

LPG tank level circuit - Circuit short to ground

LPG tank level circuit - Circuit short to battery or open

Upstream lambda heater - Circuit resistance above threshold

Upstream lambda heater - Circuit resistance above threshold

Additive adaption correction of lambda - Circuit voltage below threshold

Additive adaption correction of lambda - Circuit voltage above threshold

Multiplicative adaptation correction of lambda control - Circuit voltage below threshold

Multiplicative adaptation correction of lambda control - Circuit voltage above threshold

Injector diagnosis data validity (Injectors electric diagnosis by SDU not guaranteed) - Signal plausibility failure

LPG Injector circuit Cylinder 1 (ECU side) - Circuit short to ground

LPG Injector circuit Cylinder 1 (ECU side) - Circuit short to battery

LPG Injector circuit Cylinder 1 (ECU side) - Open circuit

LPG Injector circuit Cylinder 2 (ECU side) - Circuit short to ground

LPG Injector circuit Cylinder 2 (ECU side) - Circuit short to battery

LPG Injector circuit Cylinder 2 (ECU side) - Open circuit

LPG Injector circuit Cylinder 3 (ECU side) - Circuit short to ground

LPG Injector circuit Cylinder 3 (ECU side) - Circuit short to battery

LPG Injector circuit Cylinder 3 (ECU side) - Open circuit

LPG Injector circuit Cylinder 4 (ECU side) - Circuit short to ground

LPG Injector circuit Cylinder 4 (ECU side) - Circuit short to battery

LPG Injector circuit Cylinder 4 (ECU side) - Open circuit

LPG valve relay command - Circuit short to ground

LPG valve relay command - Circuit short to battery

LPG valve relay command - Open circuit

Gear shift self learning - Signal signal invalid

Gear shift self learning - Not configured

Misfire detected - Component or system over temperature

First start power limitation - Signal signal invalid

Knock sensor - Internal electronic failure

Engine torque comparison - Signal compare failure

Engine torque comparison - Signal compare failure

LPG Injector circuit Cylinder 1 (SDU side) - Circuit short to ground

LPG Injector circuit Cylinder 1 (SDU side) - Circuit short to battery

LPG Injector circuit Cylinder 1 (SDU side) - Open circuit

LPG Injector circuit Cylinder 2 (SDU side) - Circuit short to ground

LPG Injector circuit Cylinder 2 (SDU side) - Circuit short to battery

LPG Injector circuit Cylinder 2 (SDU side) - Open circuit

LPG Injector circuit Cylinder 3 (SDU side) - Circuit short to ground

LPG Injector circuit Cylinder 3 (SDU side) - Circuit short to battery

LPG Injector circuit Cylinder 3 (SDU side) - Open circuit

LPG Injector circuit Cylinder 4 (SDU side) - Circuit short to ground

LPG Injector circuit Cylinder 4 (SDU side) - Circuit short to battery

LPG Injector circuit Cylinder 4 (SDU side) - Open circuit

LPG injectors supply command - Circuit short to ground

LPG injectors supply command - Circuit short to battery

LPG injectors supply command - Open circuit

Motorized throttle self learning (test spring) - Actuator slipping

Motorized throttle self learning (position deviation) - Signal compare failure

Motorized throttle self learning (limphome position test) - Signal plausibility failure

Motorized throttle self learning (control range) - Circuit voltage below threshold

Motorized throttle self learning (control range) - Signal rate of change below threshold

Motorized throttle self learning (mechanical stop out of range) - Signal incorrect after event2

Motorized throttle self learning (ambient condition) - Circuit voltage below threshold

Motorized throttle self learning (ambient condition) - Circuit voltage above threshold

Motorized throttle self learning (mechanical stop out of range) - Signal compare failure

Safety fuel cut off - Signal compare failure

Engine speed - Signal compare failure

Ignition angle - Signal calculation failure

Ignition angle - Signal compare failure

Variant coding - Not configured

Upstream lambda probe 1 (plausibility check) - Circuit voltage below threshold

Upstream lambda probe 1 (plausibility check) - Circuit voltage above threshold

Atmospheric air pressure sensor - Circuit short to ground

Atmospheric air pressure sensor - Circuit short to battery or open

Atmospherical pressure at key on (Functional test) - Signal amplitude

Atmospherical pressure at key on (Functional test) - Signal amplitude >maximum

Atmospherical pressure at key on (Functional test) - Signal compare failure

Atmospherical pressure at key on (Functional test) - Signal plausibility failure

Plausibility check brake/acceleration - Signal compare failure

Engine Control Module (ECM) CAN transmission - Missing message

Engine Control Module (ECM) CAN transmission - Bus off

Invalid Data Received From Cruise Control Module - Invalid serial data received

Invalid Data Received From Cruise Control Module - Value of signal protection calculation incorrect

Invalid Data Received From Cruise Control Module - Signal invalid

Smart Driver Unit status - Node absent

Fire Prevention System status (FPS) from Body Control Module (BCM) - Invalid serial data received

Fire Prevention System status (FPS) from Body Control Module (BCM) - Performance or incorrect operation

Fire Prevention System status (FPS) from Body Control Module (BCM) - Erratic

Immobilizer - Not programmed

Immobilizer - Signal compare failure

Immobilizer - Circuit component protection time out

Immobilizer - Event information

Fire Prevention System (FPS) - Event information

Engine Control Module (ECM) time off - Signal plausibility failure

Engine Control Module (ECM) time off - Missing message

Smart Driver Unit status - Performance or incorrect operation

Immobilizer - Circuit component protection timeout

Body Computer Module (BCM) CAN trasmission - Missing message

Body Computer Module (BCM) CAN trasmission - Performance or incorrect operation

Powersteering CAN trasmission - Missing message

Brake System Module (BSM) CAN trasmission - Missing message

Brake System Module (BSM) CAN trasmission - Performance or incorrect operation

Brake System Module (BSM) CAN trasmission - Alive/sequence counter incorrect/not updated

Brake System Module (BSM) CAN trasmission - Value of signal protection calculation incorrect