U2139 00 - 01

U2139 00

CIM was Missing on Bus







Fault symptom
- None

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Turn Ignition On

Fault criteria:
- No signal from CIM from 10 s

System reaction to a fault:
- System assumes a calculated speed.

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:
- Electrical fault in connecting leads or component.