Flame Out

Test 1 - 2:

Test 3 - 4:

SYMPTOM
FLAME OUT

WHEN MONITORED
After heater activation and during subsequent attempts to start the heater.

SET CONDITION
This DTC will set if the Flame Sensor's resistance is not within the expected parameters.

POSSIBLE CAUSES
- Low fuel level in vehicle's fuel tank
- Heater's fuel line restricted/leaking/damaged
- Dosing pump
- Heater's air intake/exhaust restricted
- Cabin heater assembly or heater booster assembly