Pressure Control Solenoid A Data Incompatible

Where it lives

For P27A7, the description names the solenoid as the part involved.

Check these first

• A pressure control solenoid A reporting values the module rejects
• A mismatched pressure control solenoid A after replacement
• A failed pressure control solenoid A
• A software calibration mismatch in the transmission control module

What to do next

1. Read pressure control solenoid A data on a scan tool
2. Check the pressure control solenoid A part number against the module calibration
3. Measure pressure control solenoid A coil resistance
4. Test the pressure control solenoid A circuit for open and short faults
5. Replace pressure control solenoid A if the data stays incompatible
6. Clear the code and retest

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