P1E1B
Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensing Performance
P1E1B is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensing Performance. Common causes: pump control module malfunction, problems with wiring or connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Possible problems with gear shifting
- Reduced hybrid system efficiency
- Transmission fluid pump noise
- Engine power limitation
Causes
- Pump control module malfunction
- Problems with wiring or connectors
- Hybrid Battery Voltage Low
- Auxiliary pump malfunction
- Insulation problems in a high voltage system
How to Fix
- Check the condition of the wiring and connectors
- Test hybrid battery voltage
- Check the operation of the auxiliary pump
- Control module diagnostics
- Replacing faulty components
Related codes
FAQ
What does the P1E1B code mean?
P1E1B is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensing Performance
What causes a P1E1B error code?
The most common causes of P1E1B include: Pump control module malfunction; Problems with wiring or connectors; Hybrid Battery Voltage Low; Auxiliary pump malfunction.
How do I fix a P1E1B diagnostic trouble code?
To fix P1E1B: Check the condition of the wiring and connectors. Test hybrid battery voltage. Check the operation of the auxiliary pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E1B?
Limited driving only, diagnose soon
How much does it cost to fix P1E1B?
The estimated repair cost for P1E1B is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat