# P003A on the 2008 Chevrolet Express

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P003A

- [10126346](https://open.wenmarpro.com/bulletins/10126346), 2017-12-22: This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non\-function due to aftermarket power\-up devices vs. non overpower engine non\-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
- [10118639](https://open.wenmarpro.com/bulletins/10118639), 2017-10-12: This informational bulletin provides Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non\-Function Due to Aftermarket Power\-Up Devices vs Non Overpower Engine Non\-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set
- [10030730](https://open.wenmarpro.com/bulletins/10030730), 2009-11-24: CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION OF DTCS HAVE BEEN FOUND, INSPECT FOR A WIRE CHAFE ON THE VPS \(VANE POSITION SENSOR\). \*PE
- [10030207](https://open.wenmarpro.com/bulletins/10030207), 2009-08-19: CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. \*PE