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ACM / B0100 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp is lit

  B0100 00


Front Left Sensor, Faulty Communication

Fault symptom

Airbag warning lamp is lit

On-board diagnosis

Type of diagnosis:

Asynchronous

Enable criteria:

Ignition ON.

Fault criteria:

Control module receives no ID/faulty signal from the sensor with ignition on
Control module receives no status from the sensor for 5 s.

System reaction to a fault:

The control module ignores the activation command from the sensor as long as a fault is active.

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

IMPORTANT

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

Diagnostic help

Diagnosis regards: