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ACM / B0077 3A

Read the instructions below then start the fault diagnostic procedure.

Symptom: Airbag warning lamp is lit

  B0077 3A


Driver Side B-pillar Sensor, Wrong Sensor Installed

Fault symptom

Airbag warning lamp is lit

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Incorrect response from sensor.

System reaction to a fault:

Airbag warning lamp on
The airbag system should be considered non-operational. There may, however, be some functionality.

Fault handling:


Check the sensor part number.

Diagnostic help

IMPORTANT

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

Diagnostic help

Diagnosis regards: