P1E1F
Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 High Voltage
P1E1F is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 High Voltage. Common causes: damage to sensor wiring or connectors, insulation sensor fault. Estimated repair cost: $167–556.
Symptoms
- Check Engine light comes on
- Hybrid system malfunction warning appears
- The car may go into emergency mode
- Reduced power or hybrid system failure
Causes
- Damage to sensor wiring or connectors
- Insulation sensor fault
- Problems in the auxiliary pump control module
- Short circuit in high voltage system
- Damage to the insulation of high voltage components
How to Fix
- Check the integrity of wiring and connectors
- Check the insulation resistance of the high voltage system
- Replace faulty insulation sensor
- Check and, if necessary, replace the pump control module
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1E1F code mean?
P1E1F is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Control Module Hybrid Battery Voltage Isolation Sensor Circuit 2 High Voltage
What causes a P1E1F error code?
The most common causes of P1E1F include: Damage to sensor wiring or connectors; Insulation sensor fault; Problems in the auxiliary pump control module; Short circuit in high voltage system.
How do I fix a P1E1F diagnostic trouble code?
To fix P1E1F: Check the integrity of wiring and connectors. Check the insulation resistance of the high voltage system. Replace faulty insulation sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E1F?
Do not drive — repair immediately
How much does it cost to fix P1E1F?
The estimated repair cost for P1E1F is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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