P1E38
Auxiliary Transmission Fluid Pump Inverter Supply Voltage Circuit
P1E38 is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Inverter Supply Voltage Circuit. Common causes: open or short circuit in the power supply, faulty relay or fuse. Estimated repair cost: $56–167.
Symptoms
- Hard gear shifts
- Transmission Warning Light
- Deterioration in acceleration dynamics
- Noises from the transmission pump
- Transmission fluid overheating
Causes
- Open or short circuit in the power supply
- Faulty relay or fuse
- Pump inverter defective
- Wiring Harness Problems
- Auxiliary pump malfunction
How to Fix
- Check fuses and power supply relays
- Diagnose the integrity of the wiring harness
- Check the voltage at the inverter terminals
- Test the operation of the auxiliary pump
- If necessary, replace the inverter or pump
Related codes
FAQ
What does the P1E38 code mean?
P1E38 is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Inverter Supply Voltage Circuit
What causes a P1E38 error code?
The most common causes of P1E38 include: Open or short circuit in the power supply; Faulty relay or fuse; Pump inverter defective; Wiring Harness Problems.
How do I fix a P1E38 diagnostic trouble code?
To fix P1E38: Check fuses and power supply relays. Diagnose the integrity of the wiring harness. Check the voltage at the inverter terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E38?
Limited driving only, diagnose soon
How much does it cost to fix P1E38?
The estimated repair cost for P1E38 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat