P1E7A
Hybrid/Electric Vehicle Battery 79 Circuit
P1E7A is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 79 Circuit. Common causes: open or short circuit in battery circuit, malfunction of voltage sensors. Estimated repair cost: $167–889.
Symptoms
- Reduced vehicle power
- Check Engine Light Illuminated
- Battery charging problems
- The car goes into emergency mode
Causes
- Open or short circuit in battery circuit
- Malfunction of voltage sensors
- Problems with connectors or wiring harness
- Degradation of high-voltage battery cells
- Battery control unit malfunction
How to Fix
- Check the integrity of the wiring and connectors
- Test voltage sensors
- Check the condition of the high-voltage battery
- Scan the battery control unit for errors
- Repair only from an authorized dealer
Related codes
FAQ
What does the P1E7A code mean?
P1E7A is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 79 Circuit
What causes a P1E7A error code?
The most common causes of P1E7A include: Open or short circuit in battery circuit; Malfunction of voltage sensors; Problems with connectors or wiring harness; Degradation of high-voltage battery cells.
How do I fix a P1E7A diagnostic trouble code?
To fix P1E7A: Check the integrity of the wiring and connectors. Test voltage sensors. Check the condition of the high-voltage battery. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E7A?
Do not drive — repair immediately
How much does it cost to fix P1E7A?
The estimated repair cost for P1E7A is $167–889. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat