0x07F0E0, Overvoltage
- check power supply - remove charger if connected - for further information see workshop manual - 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 - failure afterrun is initiated Heater Actions: * This DTC is a warning
Diagnostic depth
Enable Condition: This error is monitored while heater is active. (LS.Internal.HeaterStateSimplified = HeaterBurnerStarting or LS.Internal.HeaterStateSimplified = HeaterBurnerActive or LS.Internal.HeaterStateSimplified = HeaterBurnerStopping or LS.Internal.HeaterStateSimplified = HeaterBurnerNotActive) Mature Threshold: Supply voltage at ECU of UB_MAX (typical value 32V) exceeded for more than UB_MAX_T_DELAY (typical value 5 seconds) seconds. This DTC is reported by the heater core software. De-mature Criteria: Stable combustion reached after restart of heater: Heating request is switched off (HeaterModeRequest = DeactivateHeater) and on (HeaterModeRequest = NormalMode) and state HEATER RUNNING is reached
- charger/rectifier/battery failure - operation during jump start - ECU hardware failure