Fault code lookup

PowertrainP22A5

Caution

Severity: Caution - get it checked when you can

NOx sensor heater control circuit high bank 1 sensor 2

11 brands affected · Description from Toyota data.

Key terms: Control module: a small computer that runs one part of the car · Bank 1: the side of the engine containing cylinder 1 · Powertrain: engine, transmission and emissions

1What it means in plain English

The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.

2Common causes

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 11

BrandCodeDescriptionSystem
Ashok Leyland CVP22A5No description available Powertrain
DaewooP22A5No description available Powertrain
EOBDP22A5Krug grijača senzora NOx visok, banka 1, senzor 2 BrandPowertrain
GMP22A5No description available Powertrain
HoldenP22A5NOx Sensor 2 Heater Control Circuit High Voltage BrandPowertrain
IsuzuP22A5No description available Powertrain
Land RoverP22A5NOx Sensor Heater Control Circuit BrandPowertrain
OpelP22A5No description available Powertrain
PeugeotP22A5No description available Powertrain
SaabP22A5No description available Powertrain
ToyotaP22A5NOx sensor heater control circuit high bank 1 sensor 2 BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of P22A5 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongP22A500Downstream NOx sensor heater circuit short BrandPowertrain

6Related codes

Browse Pxxx codes or P22Axx codes.

OpenDTC - independent fault code reference