OBD-II code · Powertrain (generic, extended)
P27A7 Pressure Control Solenoid A Data Incompatible
The calibration data programmed for pressure control solenoid A does not match the format expected by the transmission controller. Replacement solenoid uses a different part number or calibration format.
Is it safe to drive with P27A7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyReplacement solenoid incompatible with software version
- PossibleCalibration code format does not match controller version
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Pressure Control Solenoid A, Tcm
Related codes
- P27A8Pressure Control Solenoid B Data Incompatible
- P27A9Pressure Control Solenoid C Data Incompatible
- P27AAPressure Control Solenoid D Data Incompatible
- P27ABPressure Control Solenoid E Data Incompatible
- P27ACPressure Control Solenoid F Data Incompatible
- P27ADPressure Control Solenoid G Data Incompatible
- P27AEPressure Control Solenoid H Data Incompatible
- P27AFPressure Control Solenoid J Data Incompatible
- P27B0Pressure Control Solenoid K Data Incompatible
- P27A4Electric/Auxiliary Transmission Fluid Pump B Control Circuit Low
- P27A5Electric/Auxiliary Transmission Fluid Pump B Control Circuit High
- P27A6Electric/Auxiliary Transmission Fluid Pump B Stuck On
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.