Fault code lookup

PowertrainP02CA

Caution

Severity: Caution - get it checked when you can

Turbocharger/Supercharger B Overboost Condition

26 brands affected · Generic SAE J2012 description.

Key terms: Turbocharger: an exhaust-driven fan that pushes extra air into the engine · Supercharger: an engine-driven fan that pushes extra air into the engine · Boost pressure: extra air pressure made by a turbo or supercharger · Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · SAE J2012: the standard generic code list · 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 26

BrandCodeDescriptionSystem
Ashok Leyland CVP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
BAIC MotorP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
BYDP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
CheryP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
DaewooP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
DFFSP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
DFFXP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
DFXKP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
EOBDP02CATurboladdare/överladdare 'B' överladdning BrandPowertrain
FordP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
GeelyP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
GMP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
Great WallP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
HafeiP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
HoldenP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
HondaP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
HyundaiP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
IsuzuP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
Land RoverP02CATurbocharger/supercharger B overboost condition BrandPowertrain
OpelP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
PeugeotP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
ProtonP02CATurbocharger/Supercharger B Overboost Condition SAEPowertrain
SaabP02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
MG (SAIC)P02CATurbocharger/Supercharger 'B' Overboost Condition BrandPowertrain
ToyotaP02CATurbocharger/supercharger 'B' overboost condition BrandPowertrain
VolkswagenP02CATurbo / supercharger B: pressure too high; Short to ground 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.

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