B0488
Read the instructions below then start the fault diagnostic procedure.
Symptom: Poor heating of cabin Heater prohibited from starting
| B0488 |
Fault symptoms
Poor heating of cabinHeater prohibited from starting
Conditions
The heater has stopped due to overheating 10 times in succession.Diagnostic help
The heater has an extra cable and connector that is separate from the ordinary wiring on the heater. This cable and connector are not used but are connected to the control module. Therefore, check that this cable is undamaged before starting fault diagnosis.The ordinary wiring between the heater and the 8-pin connector contains an additional light-green wire that is cut and not used.
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