ME9 / U0402 00
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Limp home
TCM, faulty signal
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Limp home
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 10 - 18 V. |
Fault criteria:
| Faulty signal from TCM (torque/rpm). |
Dependent:
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Fault diagnosis for automatic transmission (TCM) should be carried out. |
