The calibration data programmed for pressure control solenoid E does not match the format expected by the transmission controller.
Medium severity. Can I keep driving?Drive as little as possible and gently. If the transmission slips or stays in one gear, go slowly to a repair shop or call for a tow truck.
Most likely causes
- Replacement solenoid incompatible with software version
- Calibration code format does not match controller version
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: medium
What each character of P27AB means
- P: Powertrain: engine and transmission
- 2: Generic code: same on every make
- 7: Transmission
- AB: Specific fault in that system
Frequently asked questions
Can I keep driving with code P27AB?
Drive as little as possible and gently. If the transmission slips or stays in one gear, go slowly to a repair shop or call for a tow truck.
What causes code P27AB?
The most common causes are: replacement solenoid incompatible with software version; calibration code format does not match controller version.
Related codes
- P27AAPressure Control Solenoid D Data Incompatible
- P27ACPressure Control Solenoid F Data Incompatible
- P27A9Pressure Control Solenoid C Data Incompatible
- P27ADPressure Control Solenoid G Data Incompatible
- P27A8Pressure Control Solenoid B Data Incompatible
- P27AEPressure Control Solenoid H Data Incompatible
- P27A7Pressure Control Solenoid A Data Incompatible
- P27AFPressure Control Solenoid J Data Incompatible
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.