0x00F0E0, Exhaust Temperature Too High
- check exhaust gas temperature sensor - clean or replace heat exchanger - readjust CO2 value (CO2 scaling) - 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 an error * Temporary Interlock is activated * counter "OAGZ / exhaust gas temperature threshold overstepped counter" is incremented
Diagnostic depth
Enable Condition: This error is monitored during combustion mode is active. (LS.Internal.HeaterStateSimplified = HeaterBurnerStarting or LS.Internal.HeaterStateSimplified = HeaterBurnerActive or LS.Internal.HeaterStateSimplified = HeaterBurnerStopping) Mature Threshold: Exhaust gas temperature has exceeded the dynamic upper threshold limit. See diagnostic identifier "0xFD10 - exhaust gas temperature upper threshold". 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
- exhaust gas temperature sensor defect - exhaust gas temperature limit exceeded (unusual sooted heat exchanger; especially bottom of the heat exchanger is unusual sooted)