ACC / B2429 06

Read the instructions below then start the fault diagnostic procedure.

Symptom: No seat heating.

B2429 06

Fault symptom

No seat heating.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Seat heating off

Fault criteria:

Break in the seat heater circuit.

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:

Test value:

Seat Heating Left

Activation:

(See also description of readings/activations in diagnostic tool)