ACM / U2139 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: None
CIM was Missing on Bus
Fault symptom
None
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| No signal from CIM from 10s |
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. |
