P07F3
Transmission Range Control Module Communication Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check for loose or damaged wiring connections related to the transmission range control module
- Inspect and repair any damaged or corroded connectors in the communication circuit
- Verify power and ground supply to the transmission range control module
- Reset the transmission range control module by disconnecting the battery for a few minutes
- Replace the transmission range control module if all other solutions do not resolve the issue
Common causes
Most likely first
- Faulty transmission range control module
- Loose or corroded wiring connections in the transmission range control module circuit
- Malfunctioning transmission range sensor
- Faulty transmission control module
- Electrical interference causing communication issues with the transmission range control module circuit
How to diagnose & fix
Work through it in order
- Check engine light illuminates on the dashboard
- Transmission shifting problems or erratic shifting
- Loss of power or acceleration issues
- Difficulty starting the vehicle or stalling
- Harsh or rough shifting of gears
Read & clear P07F3 yourself
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