P0055
HO2S Heater Resistance (Bank 1, Sensor 3)
DTC P0055, sometimes indicated as P005500 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 resistance (bank 1, sensor 3).
The Heater resistance for the Bank 1 Sensor 3 HO2S is high.
Possible causes of this DTC are:
• A resistance wire in the HO2S heater circuit is open or has a high resistance.
• The HO2S heater is defective.
• The wiring or connectors in the HO2S heater circuit are defective.
• The PCM is defective.
- P0055: HO2S Heater Resistance (Bank 1, Sensor 3)
- P0055: HO2S Heater Resistance Bank 1 Sensor 3
- P0055: HO2S Bank 1 Sensor 3 Heater Resistance
- P0055: HO2S Heater Resistance
- P0055: Heated oxygen sensor (HO2S), bank 1, sensor 3 – heater resistance
- P0055 00: Heated oxygen sensor (HO2S), bank 1, sensor 3 - heater resistance
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.
- SSM63157 - BACK OVER PREVENTION
LAND ROVER: Check engine warning light illuminated. Dtc's in the engine control module relevant to the oxygen sensors are found to be stored, these may include any of the following codes P0042, P0043, P0055, P0061, P0062, P0063, P0142, P0144, P0162. Ca - SSM63157 - ENGINE AND ENGINE COOLING
LAND ROVER: Check engine warning light illuminated. Dtc's in the engine control module relevant to the oxygen sensors are found to be stored, these may include any of the following codes P0042, P0043, P0055, P0061, P0062, P0063, P0142, P0144, P0162. Ca - 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 - ENGINE (PWS)
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 - LTB00671NAS1 - ENGINE (PWS)
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 - SSM63157 - ENGINE (PWS)
LAND ROVER: "issue: check engine warning light illuminated. Dtc?S in the engine control module relevant to the oxygen sensors are found to be stored, these may include any of the following codes P0042, P0043, P0055, P0061, P0062, P0063, P0142, P0144