P0044
HO2S Heater Control Circuit High (Bank 1 Sensor 3)
DTC P0044, sometimes indicated as P004400 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing ho2s heater control circuit high (bank 1 sensor 3).
This code is set when the PCM detects that the heater for the bank 1 oxygen sensor 3 is drawing too much current.
- P0044: HO2S Heater Control Circuit High (Bank 1 Sensor 3)
- P0044: HO2S Heater Control Circuit High Bank 1 Sensor 3
- P0044: HO2S Bank 1 Sensor 3 Heater Circuit High
- P0044: HO2S Heater Control Circuit High
- P0044: Heated oxygen sensor (HO2S) 3, bank 1, heater control – circuit high
- P0044 00: Lambda probe heater circuit (cylinder block No. 1, probe No. 3) - short circuit to the power supply "plus"
- P0044 00: Heated oxygen sensor (HO2S) 3, bank 1, heater control - circuit high
DTC Trouble Code Search
Bulletins
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
- LTB00688NAS1 - EQUIPMENT
LAND ROVER: Technical bulletin: engine mil illuminated with dtc P0044/P2188 stored - LTB00671NAS3 - EQUIPMENT:ELECTRICAL
LAND ROVER: "situation: the engine malfunction indicator lamp (mil) may be illuminated and diagnostic trouble code (dtc) P0042, P0043, P0044, P0055, P0061, P0062, P0063, P0142, P0143, P0144, P0147, P0162, P0163, P0164, and/or P0167 - relevant to the - LTB00671NAS2 - ELECTRICAL SYSTEM
LAND ROVER: "situation: the engine malfunction indicator lamp (mil) may be illuminated and diagnostic trouble code (dtc [(P0042, P0043, P0044, P0055, P0061, P0062, P0063, P0142, P0143, P0144, P0147, P0162, P0163, P0164, and/or P0167]) relevant to the - LTB00688NAS1 - ELECTRICAL SYSTEM
LAND ROVER: "situation: the engine malfunction indicator lamp (mil) may be illuminated and diagnostic trouble code (dtc) P0044, P0420, and P2188 are stored in the engine control module (ecm)." - LTB00671NAS1 - EQUIPMENT:ELECTRICAL
LAND ROVER: "situation: the engine malfunction indicator lamp (mil) may be illuminated and diagnostic trouble code (dtc [(P0042, P0043, P0044, P0055, P0061, P0062, P0063, P0142, P0143, P0144, P0147, P0162, P0163, P0164, and/or P0167]) relevant to the