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Lumbar support defective or no function

Read the instructions below then start the fault diagnostic procedure.

Symptom: Lumbar support defective or no function

Lumbar support inoperative


Fault symptom

Lumbar support defective or no function

Conditions

Turn Ignition On

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.