Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
A diagnostic trouble code (DTC) is stored if the flame goes out due to a malfunction while the system is operating.
Substitute value
Heater not activated.
Possible source
- No fuel supply.
- Contact resistance in control module connector.
- Open-circuit in the signal cable
- Short-circuit to supply voltage in signal cable
- Flame sensor clogged with soot.
- Defective flame sensor.
- Open-circuit in ground lead.
Fault symptom[s]
- Poor heating in passenger compartment.