Fault code lookup

PowertrainP02BA

Caution

Severity: Caution - get it checked when you can

Cylinder 9 - Fuel Trim at Max Limit

20 brands affected · Description from Toyota data.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the powertrain range that covers fuel and air metering, over-temperature, overspeed and transmission over-temperature conditions.

2Common causes

  1. Dirty or faulty mass air flow sensor
  2. Vacuum or intake air leak
  3. Weak fuel pump or clogged fuel filter
  4. Faulty fuel injector
  5. Faulty oxygen sensor
  6. Wiring or connector fault

3Can I drive?

Caution · drive with care

Do not assume this code is safe to ignore: some codes in this range affect engine safety systems. Have it diagnosed; if the engine is overheating, a red warning light is on, or the engine loses power or cuts out, stop safely and get professional help.

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 20

BrandCodeDescriptionSystem
Ashok Leyland CVP02BANo description available Powertrain
BAIC MotorP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
BYDP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
CheryP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
DFFSP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
DFFXP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
DFXKP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
EOBDP02BACylinder 9 - fuel trim at maximum limit BrandPowertrain
GeelyP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
GMP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
Great WallP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
HafeiP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
HondaP02BANo description available Powertrain
HyundaiP02BANo description available Powertrain
IsuzuP02BANo description available Powertrain
Land RoverP02BACylinder 9 - Fuel Trim At Max Limit BrandPowertrain
PeugeotP02BANo description available Powertrain
SaabP02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
MG (SAIC)P02BACylinder 9 - Fuel Trim at Max Limit BrandPowertrain
ToyotaP02BACylinder 9 - Fuel Trim at Max Limit 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.

5Related codes

Browse Pxxx codes or P02Bxx codes.

OpenDTC - independent fault code reference