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UEC / B3871 04

Read the instructions below then start the fault diagnostic procedure.

Symptom: Front left side marker lights, malfunction. Message appears in display.

  B3871 04


Side Marker Left Front Circuit, Open

Fault symptom

Front left side marker lights, malfunction.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Parking lights on.

Fault criteria:

Current consumption is below 20 mA.

System reaction to a fault:

None

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:

Activation:
Side Marker Left Front