U2100 00 - 01

U2100 00

ACM was Missing on Bus







Fault symptom
- Airbag warning lamp on

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Turn Ignition On

Fault criteria:
- No bus communication

System reaction to a fault:
- The airbag system should be considered non-operational. There may, however, be some functionality.

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.