P0DE4
Electric/Auxiliary Transmission Fluid Pump A Motor Over Temperature
Generic OBD-II
Common symptoms
What you'll notice
- Inspect and replace the electric/auxiliary transmission fluid pump if it is faulty or damaged
- Check the motor temperature sensor and replace if necessary
- Ensure proper wiring and connections to the electric/auxiliary transmission fluid pump and motor temperature sensor
- Check and replace any damaged or worn out transmission fluid filters
- Inspect and repair any leaks in the transmission fluid system.
Common causes
Most likely first
- Faulty electric/auxiliary transmission fluid pump motor
- Overheating of the electric/auxiliary transmission fluid pump motor
- Electrical issues or wiring problems related to the electric/auxiliary transmission fluid pump motor
- Excessive workload or strain on the electric/auxiliary transmission fluid pump motor
How to diagnose & fix
Work through it in order
- Overheating of the vehicle's transmission
- Burning smell coming from the transmission
- Transmission slipping or jerking while shifting gears
- Delayed or erratic shifting
- Illumination of the "Check Engine" light on the dashboard
Read & clear P0DE4 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.