Pressure Control Solenoid R Control Circuit High

Where it lives

For P27D0, the solenoid sits on the circuit this code reports. The description of P27D0 reports a fault at the solenoid.

Check these first

• A short to voltage on the pressure control solenoid R control circuit
• The solenoid R control wire pinched against power
• A failed solenoid R coil shorting internally
• A transmission control module driving solenoid R high
• Corrosion in the pressure control solenoid R connector

What to do next

1. Measure voltage on the pressure control solenoid R control wire
2. Inspect the solenoid R harness for pinches or chafing
3. Disconnect solenoid R and recheck voltage on the control wire
4. Test solenoid R coil resistance against spec
5. Replace pressure control solenoid R if the short is internal
6. Clear the code and retest

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