P28ED
Electric/Auxiliary Transmission Fluid Pump B Overspeed
P28ED is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump B Overspeed. Common causes: electrical transmission fluid pump malfunction, problems with pump wiring or contacts. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- The car goes into emergency mode
- Problems when shifting gears
- Unusual noises from the transmission area
- Reduced engine power
Causes
- Electrical transmission fluid pump malfunction
- Problems with pump wiring or contacts
- Low transmission fluid level
- Transmission control unit malfunction
- Mechanical damage in the transmission lubrication system
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the electrical circuit of the pump
- Check pump functionality
- Scan the transmission control module for other errors
- Replace the faulty pump if necessary
Related codes
Error P28ED by Vehicle Brand
FAQ
What does the P28ED code mean?
P28ED is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump B Overspeed
What causes a P28ED error code?
The most common causes of P28ED include: Electrical transmission fluid pump malfunction; Problems with pump wiring or contacts; Low transmission fluid level; Transmission control unit malfunction.
How do I fix a P28ED diagnostic trouble code?
To fix P28ED: Check the level and condition of the transmission fluid. Diagnose the electrical circuit of the pump. Check pump functionality. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28ED?
Limited driving only, diagnose soon
How much does it cost to fix P28ED?
The estimated repair cost for P28ED is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat