P07E4
Unable to Engage Park
What it means
P07E4 means Unable to Engage Park.
Check these first
- A failed park lock actuator or shift motor
- An open or short in the park engagement circuit
- A binding or damaged park pawl mechanism
- A fault in the transmission control module
What to do next
- Inspect the park actuator connector and wiring
- Command park engagement with a scan tool and listen for the actuator
- Check the park engagement circuit for opens and shorts
- Check for mechanical binding in the park pawl
- Repair the actuator or mechanism after testing
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-08-30.