Trouble Codes, Motronic M 1.5.5 the Text Entry in the "Description" Column May Vary from the Display on the Diagnostic Tester.
| Trouble code | Description |
|---|
| P0100 | Mass air flow meter sensor voltage high |
| Mass air flow meter sensor voltage low |
| P0110 | Intake air temperature sensor voltage high |
| Intake air temperature sensor voltage low |
| P0115 | Coolant temperature sensor voltage high |
| Coolant temperature sensor voltage low |
| P0120 | Throttle valve potentiometer voltage high |
| Throttle valve potentiometer voltage low |
| P0130 | O2 (oxygen) sensor circuit 1 voltage high |
| O2 (oxygen) sensor circuit 1 voltage low |
| O2 (oxygen) sensor circuit open |
| P0170 | O2 (oxygen) sensor 1 exhaust rich |
| O2 (oxygen) sensor 1 exhaust lean |
| P0201 | Injector 1 voltage high |
| Injector 1 voltage low |
| Injector 1 circuit open |
| P0202 | Injector 2 voltage high |
| Injector 2 voltage low |
| Injector 2 circuit open |
| P0203 | Injector 3 voltage high |
| Injector 3 voltage low |
| Injector 3 circuit open |
5.9 Trouble Codes, Motronic M 1.5.5
| Trouble code | Description |
|---|
| P0230 | Fuel pump relay voltage high |
| Fuel pump relay voltage low |
| Fuel pump relay circuit open |
| P0325 | Knock signal measurement circuit 1 |
| P0335 | Engine speed not present |
| Incorrect engine speed signal |
| P0340 | Hall sensor voltage high |
| Hall sensor voltage low |
| P0403 | Exhaust gas recirculation valve voltage high |
| Exhaust gas recirculation valve voltage low |
| Exhaust gas recirculation valve circuit open |
| P0443 | Fuel tank vent valve voltage high |
| Fuel tank vent valve voltage low |
| Fuel tank vent valve circuit open |
| P0505 | Idle air control voltage high |
| Idle air control voltage low |
| P0550 | Power steering voltage high |
| Power steering voltage low |
| P0560 | Battery voltage high |
| Battery voltage low |
| P0602 | Control unit programming error |
| Control unit program version error |
| P1230 | Supply relay, secondary circuit |
5.9 Trouble Codes, Motronic M 1.5.5
| Trouble code | Description |
|---|
| P1405 | Exhaust gas recirculation valve (EGR) actual value voltage high |
| Exhaust gas recirculation valve (EGR) actual value voltage low |
| Exhaust gas recirculation valve sensor signal incorrect |
| P1501 | Immobiliser incorrectly coded or not at all |
| P1502 | Immobiliser no signal |
| P1503 | Immobiliser incorrect signal |
| P1530 | AC relay voltage high |
| AC relay voltage low |
| P1600 | Program/replace control unit |
| P1602 | Knock signal module, replace control unit |
| P1640 | Unknown final stage driver error |
| P1690 | Telltale voltage high |
| Telltale voltage low |
| Telltale circuit open |
