CAN fault detection ME - fault code description - AD07.61-P-4000-32LA
| 1 | Fault code ( |
P20Ca CAN message (vehicle speed signal from left rear wheel) from ESP control unit N47-5 missing or faulty.(P0500) |
| 2 | Fault storage | After expiry of test duration and fault |
| Activation of the engine diagnosis indicator lamp (EURO3/4) or CHECK ENGINE (MIL) malfunction indicator lamp |
following two successive driving cycles with faults | |
| 3 | Checking frequency | Continuous |
| 4 | Checked signal or status | The signals from the wheel speed sensors are filtered in the ESP control unit, processed into a vehicle speed signal and transmitted via the CAN. The speed signals from all the wheel speed sensors are checked for plausibility by making comparisons and substitute values are formed wherever possible if there are faults. |