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UEC / B3872 02

Read the instructions below then start the fault diagnostic procedure.

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

  B3872 02


Side Marker Right Front Circuit, Short to Ground

Fault symptom

Front right 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 over 3.5 A for more than 10 ms.

System reaction to a fault:

Control module output is switched off.

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 Right Front