P1257
Supercharger System Overboost.
- GMC
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 2
- AreaFuel and air metering (injector circuit)
- 57
- FaultThe specific fault in that area
Guide
Writing the guide for P1257. The first open of a code takes up to a minute.
This code for other makes
- P1257BuickSupercharger System Overboost
- P1257CadillacSupercharger System Overboost
- P1257ChevroletSupercharger System Overboost
- P1257ChryslerSupercharger System Overboost
- P1257FordPedal Correlation PDS2 and HPDS
- P1257GMSupercharger System Overboost
- P1257LincolnPedal Correlation PDS2 and HPDS
- P1257MercuryPedal Correlation PDS2 and HPDS
- P1257OldsmobileSupercharger System Overboost
- P1257OtherPedal Correlation PDS2 and HPDS
- P1257SaturnSupercharger System Overboost
- P1257VolkswagenEngine Coolant System Valve Open