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Heater Module (HEA) DTCS

HEATER MODULE (HEA) - DTC INDEX

DTC Description
HEA-112 Control module. General fault
HEA-113 Control module. Parameter fault
HEA-142 Outside temperature sensor. Signal too high
HEA-143 Outside temperature sensor. Signal too low
HEA-801 Coolant temperature sensor. Signal too high
HEA-802 Coolant temperature sensor. Signal too low
HEA-811 Flame sensor. Signal too low
HEA-813 Flame sensor. Signal too high
HEA-814 Heater fan. Signal too high
HEA-815 Heater fan. Signal too low
HEA-816 Heater fan. Faulty signal
HEA-821 Water pump. Signal too high
HEA-822 Water pump. Signal too low
HEA-825 Fuel pump (FP). Signal too high
HEA-826 Fuel pump (FP). Signal too low
HEA-831 Overheat protection thermostat. Signal too low
HEA-832 Overheat protection thermostat. Faulty signal
HEA-841 Power supply. Faulty
HEA-842 Power supply. Missing
HEA-843 Control module power supply. Signal too high
HEA-851 Blower fan signal. Signal too high
HEA-852 Blower signal. Signal too low
HEA-861 Glow plugs. Faulty signal
HEA-891 Start attempts. Too many unsuccessful
HEA-898 Factory set diagnostic trouble code (DTC). Faulty code
HEA-899 Factory set diagnostic trouble code (DTC). Faulty code
2-4-1 Output 2 (Fuel Powered Heater)
2-4-2 Output 3 (Electrical Heater)
2-4-3 Timer
2-4-4 Timer