DTC B1D34-66: Heater In Lock Out Mode - Signal has too many transitions/events: Action
NOTE:
- This DTC is set when no flame is detected, even after re-start attempt.
- If other fuel fired booster heater related Diagnostic Trouble Code(s) are also set, perform the relevant corrective actions for those Diagnostic Trouble Code(s) first and retest.
- After repairing the fuel fired booster heater fuel line, perform routine - Auxiliary Heater Priming Routine.
- Check the fuel fired booster heater fuel line for restrictions and leaks. Rectify as necessary
- Check the fuel fired booster heater exhaust for restrictions. Rectify as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new fuel fired booster heater as necessary