ME9 / P0318 00
Symptom: Faulty display of vehicle speed.
Rough road detection (signal from ABS), faulty function.
Fault symptom
Faulty display of vehicle speed.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Bus communication with ESP. |
Fault criteria:
| No wheel signal from ESP for more than 4 seconds. |
Diagnostic help
Diagnosis regards:
| Check that ECM has the correct wheel signal to evaluate "rough road", which is the basis for successful misfire diagnosis. |
| See diagnostic trouble codes in ESP for continued fault diagnosis. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
