Fault Code 1415

Fault code 1415

Circulating pump

Diagnostic conditions
- Ignition on
- Internal auxiliary heater control unit function test

Possible cause of fault
- Electrical fault in electric circuit (plug contact problem)
- Open circuit in wiring
- Auxiliary heater control unit faulty

Affected pins
-

Diagnosis/troubleshooting

NOTE:
Visual inspection: During the next check, first ensure that the affected pins of the 14-pin plug connection on the wiring harness are neither damaged nor corroded. Remove any soiling or corrosion/oxidation. Replace damaged parts/wires.