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ACM Ch.-61034049 / B0042 0E

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp is lit.

  B0042 0E


Driver frontal deployment circuit (stage 2), Resistance low.

Fault symptom

Airbag warning lamp is lit.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Resistance in the ignition circuit is below 1.7 Ohm.

System reaction to a fault:

Airbag warning lamp is lit
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.
Make sure the separators for the short-circuit jumpers are intact.

Diagnostic help

IMPORTANT

Read "Before starting fault diagnosis" under Fault diagnosis, general before beginning fault diagnosis.

Diagnostic help

Diagnosis regards: