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ACM Ch.61034050- / U2100 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp on

  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.

Functions in the diagnostic tool related to the fault:

Test value:
Fault Counter, I-bus
Response Test
Read / Reset Bus Configuration

(See also description of readings/activations in diagnostic tool)