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BCM / B3089 0F

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display.

  B3089 0F


UAM, Internal Fault

Fault symptom

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Diagnosis runs when car alarmed or when ignition on.

Fault criteria:

Signal error from ultrasound sensor.

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:

To locate electrical faults in the ultrasound sensor internal electronics.