0x13F0ED, Watchdog Reset
â–¶ How to fix
- check power supply (battery condition, voltage drop during cranking…) - clear error memory
What you'll see
No driver-visible symptom recorded.
System reaction
- this DTC is stored in the error memory - heating operation is stopped - fuel in burner chamber is not fully burned down (remaining fuel) - smoke formation (also in following start)
Diagnostic depth
Detection
Enable Condition: After power up of ECU. Mature Threshold: After power up, the ECU detects that it has not been shut down properly (e.g. as a result of and endless loop). This DTC is reported by the heater core software. De-mature Criteria: -
Possible cause
- fast voltage drops in power supply (e.g. starting profile) - software error (e.g. endless loop)