PowertrainP003A
CautionSeverity: Caution - get it checked when you can
Turbocharger/supercharger boost control 'A' position exceeded learning limit
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 · Powertrain: engine, transmission and emissions
1What it means in plain English
This code is in the fuel and air metering range, which includes fuel-pressure and camshaft-timing faults.
2Common causes
- Dirty or faulty mass air flow sensor
- Vacuum or intake air leak
- Weak fuel pump or clogged fuel filter
- Faulty fuel injector
- Faulty oxygen sensor
- Wiring or connector fault
3Can I drive?
Have it diagnosed promptly. Some codes in this range affect fuel pressure or camshaft timing; if the engine loses power, runs badly, or stalls, 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 29
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P003A | No description available | Powertrain |
| BAIC Motor | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| BYD | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Chery | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Daewoo | P003A | No description available | Powertrain |
| DFFS | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| DFFX | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| DFXK | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| EOBD | P003A | Kawalan tekanan 'A' pengecas turbo/supercharger melebihi had pembelajaran Brand | Powertrain |
| Ford | P003A | No description available | Powertrain |
| Geely | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| GM | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Great Wall | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Hafei | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Holden | P003A | Turbocharger Vane Position Not Learned Brand | Powertrain |
| Honda | P003A | No description available | Powertrain |
| Hyundai | P003A | No description available | Powertrain |
| Isuzu | P003A | No description available | Powertrain |
| Land Rover | P003A | No description available | Powertrain |
| Mazda | P003A | No description available | Powertrain |
| Opel | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| Peugeot | P003A | No description available | Powertrain |
| Porsche | P003A | No description available | Powertrain |
| Proton | P003A | No description available | Powertrain |
| Saab | P003A | Turbocharger/Supercharger Boost Control 'A' Position Exceeded Learning Limit Brand | Powertrain |
| MG (SAIC) | P003A | Self-Learning Error of DC-Motor for EWG Brand | Powertrain |
| Subaru | P003A | No description available | Powertrain |
| Tata | P003A | No description available | Powertrain |
| Toyota | P003A | Turbocharger/supercharger boost control 'A' position exceeded learning limit Brand | Powertrain |
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 2
These 7-character codes are manufacturer-specific variants of P003A and may be reported by some scan tools.
6Related codes
Browse Pxxx codes or P003xx codes.