| DF001 |
Coolant temperature sensor circuit |
Faulty sensor, damaged wiring, connection problem |
🟠 Medium |
| DF002 |
Air temperature sensor circuit |
Faulty sensor, damaged wiring, connection problem |
🟠 Medium |
| DF004 |
Boost pressure sensor circuit |
Faulty pressure sensor, leak in the boost system |
🔴 High |
| DF007 |
Rail pressure sensor circuit |
Faulty rail pressure sensor, fuel pump problem |
🔴 High |
| DF011 |
Sensor supply voltage No.1 |
Electrical problem, damaged wiring, ECU failure |
🟠 Medium |
| DF012 |
Sensor supply voltage No.2 |
Electrical problem, damaged wiring, ECU failure |
🟠 Medium |
| DF013 |
Sensor supply voltage No.3 |
Electrical problem, damaged wiring, ECU failure |
🟠 Medium |
| DF015 |
Main relay control circuit |
Faulty relay, damaged wiring, connection problem |
🔴 High |
| DF025 |
Diagnostic link to glow plug control unit |
Communication problem with glow plug control unit, damaged wiring |
🟠 Medium |
| DF026 |
Cylinder 1 injector control circuit |
Faulty injector, damaged wiring, connection problem |
🔴 High |
| DF027 |
Cylinder 2 injector control circuit |
Faulty injector, damaged wiring, connection problem |
🔴 High |
| DF028 |
Cylinder 3 injector control circuit |
Faulty injector, damaged wiring, connection problem |
🔴 High |
| DF029 |
Cylinder 4 injector control circuit |
Faulty injector, damaged wiring, connection problem |
🔴 High |
| DF032 |
Glow plug relay 1 control circuit |
Faulty relay, damaged wiring, connection problem |
🟠 Medium |
| DF033 |
Glow plug relay 2 control circuit |
Faulty relay, damaged wiring, connection problem |
🟠 Medium |
| DF034 |
Glow plug relay 3 control circuit |
Faulty relay, damaged wiring, connection problem |
🟠 Medium |
| DF038 |
ECU |
ECU failure, communication problem |
🔴 High |
| DF047 |
ECU supply voltage |
Electrical problem, damaged wiring, battery failure |
🔴 High |
| DF050 |
Brake switch circuit |
Faulty brake switch, damaged wiring |
🟠 Medium |
| DF051 |
Cruise control / speed limiter function |
Cruise control problem, faulty speed sensor |
🟠 Medium |
| DF052 |
Injector control circuit |
Wiring problem, injector failure |
🔴 High |
| DF053 |
Rail pressure regulation function |
Pressure regulation problem, faulty rail pressure sensor |
🔴 High |
| DF054 |
Boost solenoid valve control circuit |
Faulty solenoid valve, damaged wiring |
🔴 High |
| DF056 |
Air flow sensor circuit |
Faulty air flow sensor, damaged wiring |
🟠 Medium |
| DF090 |
Vehicle speed sensor circuit |
Faulty speed sensor, damaged wiring |
🟠 Medium |
| DF098 |
Fuel temperature sensor circuit |
Faulty fuel temperature sensor, damaged wiring |
🟠 Medium |
| DF101 |
Multiplexed trajectory control link |
Multiplex communication problem, damaged wiring |
🟠 Medium |
| DF120 |
Engine speed sensor signal |
Faulty engine speed sensor, damaged wiring |
🔴 High |
| DF195 |
Camshaft / engine speed sensor consistency |
Synchronization problem between camshaft sensor and speed sensor |
🔴 High |
| DF200 |
Atmospheric pressure sensor |
Faulty atmospheric pressure sensor, damaged wiring |
🟠 Medium |
| DF201 |
Air flow sensor information |
Faulty air flow sensor, communication problem |
🟠 Medium |
| DF209 |
EGR valve position sensor circuit |
Faulty EGR position sensor, damaged wiring |
🟠 Medium |
| DF272 |
EGR valve control circuit |
Faulty EGR valve, damaged wiring |
🟠 Medium |
| DF293 |
Water in diesel detector |
Water presence in fuel, faulty sensor |
🔴 High |
| DF297 |
Particulate filter |
Clogged or faulty particulate filter |
🔴 High |
| DF304 |
EGR bypass circuit |
EGR bypass problem, damaged wiring |
🟠 Medium |
| DF310 |
Upstream particulate filter temperature sensor |
Faulty temperature sensor, damaged wiring |
🟠 Medium |
| DF319 |
Camshaft sensor circuit |
Faulty camshaft sensor, damaged wiring |
🔴 High |
| DF323 |
Air intake flap |
Blocked or faulty air intake flap |
🟠 Medium |
| DF342 |
MIL indicator circuit |
Electrical problem, faulty MIL indicator |
🟢 Low |
| DF374 |
ECU |
ECU failure, communication problem |
🔴 High |
| DF394 |
Catalyst functional failure |
Faulty catalyst, exhaust gas regulation problem |
🔴 High |
| DF409 |
Fuel level sensor circuit |
Faulty fuel level sensor, damaged wiring |
🟠 Medium |
| DF532 |
Alternator load information |
Faulty alternator, charging problem, damaged wiring |
🔴 High |
| DF559 |
Low speed GMV relay control |
Faulty relay, damaged wiring, electrical problem |
🟠 Medium |
| DF567 |
ECU |
ECU failure, communication problem |
🔴 High |
| DF569 |
Boost circuit |
Boost problem, faulty turbo |
🔴 High |
| DF619 |
EGR valve stuck open |
Stuck EGR valve, mechanical or electrical problem |
🟠 Medium |
| DF631 |
Brake light switch information |
Faulty brake light switch, damaged wiring |
🟠 Medium |
| DF641 |
Air intake flap circuit |
Blocked or faulty air flap, damaged wiring |
🟠 Medium |
| DF644 |
Fuel flow regulator circuit |
Faulty flow regulator, damaged wiring |
🔴 High |
| DF645 |
Air intake flap position regulation |
Faulty intake flap, damaged wiring, electrical problem |
🟠 Medium |
| DF646 |
Air intake flap position sensor |
Faulty position sensor, damaged wiring |
🟠 Medium |
| DF647 |
EGR valve position regulation |
Faulty EGR valve, damaged wiring, electrical problem |
🟠 Medium |
| DF648 |
ECU |
ECU failure, communication problem |
🔴 High |
| DF651 |
Upstream turbine pressure sensor circuit |
Faulty pressure sensor, damaged wiring |
🔴 High |
| DF652 |
Upstream turbine temperature sensor circuit |
Faulty temperature sensor, damaged wiring |
🔴 High |
| DF653 |
Cylinder No.1 fuel injection calibration |
Injector calibration problem, faulty injector |
🔴 High |
| DF654 |
Cylinder No.2 fuel injection calibration |
Injector calibration problem, faulty injector |
🔴 High |
| DF655 |
Cylinder No.3 fuel injection calibration |
Injector calibration problem, faulty injector |
🔴 High |
| DF656 |
Cylinder No.4 fuel injection calibration |
Injector calibration problem, faulty injector |
🔴 High |
| DF721 |
Engine overheating |
Cooling problem, faulty temperature sensor |
🔴 High |
| DF771 |
Flow regulation adaptive |
Flow regulation problem, faulty sensor |
🟠 Medium |
| DF778 |
Upstream turbine temperature regulation |
Faulty temperature sensor, damaged wiring |
🟠 Medium |
| DF885 |
Rail pressure |
Faulty pressure sensor, damaged wiring |
🔴 High |
| DF887 |
Brake / accelerator pedal position |
Faulty position sensor, damaged wiring |
🟠 Medium |
| DF897 |
Pump pressure regulator circuit |
Faulty pressure regulator, damaged wiring |
🔴 High |
| DF974 |
Pedal potentiometer track 1 circuit |
Faulty potentiometer, damaged wiring |
🟠 Medium |
| DF975 |
Pedal potentiometer track 2 circuit |
Faulty potentiometer, damaged wiring |
🟠 Medium |
| DF987 |
Cruise control / speed limiter buttons |
Faulty buttons, damaged wiring, communication problem |
🟢 Low |
| DF991 |
Particulate filter injector control circuit |
Faulty injector, damaged wiring |
🔴 High |
| DF992 |
Heating resistor relay 1 control |
Faulty relay, damaged wiring, electrical problem |
🟠 Medium |
| DF993 |
Heating resistor relay 2 control |
Faulty relay, damaged wiring, electrical problem |
🟠 Medium |
| DF994 |
Heating resistor relay 3 control |
Faulty relay, damaged wiring, electrical problem |
🟠 Medium |
| DF997 |
Glow plug control unit link |
Communication problem, damaged wiring, faulty module |
🟠 Medium |
| DF998 |
Upstream turbine pressure |
Faulty pressure sensor, damaged wiring |
🔴 High |
| DF1001 |
Upstream particulate filter temperature regulation |
Faulty temperature sensor, damaged wiring |
🟠 Medium |
| DF1012 |
Multiplexed information consistency for RV / LV |
CAN communication problem, damaged wiring, faulty module |
🔴 High |
| DF1013 |
Cruise control input monitoring |
Communication problem, faulty sensor, damaged wiring |
🟠 Medium |
| DF1014 |
Vehicle speed consistency |
Faulty speed sensor, damaged wiring |
🟠 Medium |
| DF1015 |
Brake contact information consistency |
Faulty brake contact, damaged wiring |
🟠 Medium |
| DF1016 |
Clutch contact information consistency |
Faulty clutch contact, damaged wiring |
🟠 Medium
|
