P1E73
Hybrid/Electric Vehicle Battery 72 Circuit
P1E73 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 72 Circuit. Common causes: open or short circuit in battery circuit 72, malfunction of voltage or temperature sensor. Estimated repair cost: $56–556.
Symptoms
- Check Engine light comes on
- Reduced vehicle power
- Switching to emergency mode
- Reducing electric range
- Unusual sounds from the battery area
Causes
- Open or short circuit in battery circuit 72
- Malfunction of voltage or temperature sensor
- Problems with connectors or wiring harness
- Battery module failure
- Problems with the Battery Management System (BMS)
How to Fix
- Carry out diagnostics of the high-voltage system
- Check the integrity of circuit 72 and connections
- Test voltage and temperature sensors
- Check the condition of the battery module
- Update or reflash the battery management system (BMS)
Related codes
FAQ
What does the P1E73 code mean?
P1E73 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 72 Circuit
What causes a P1E73 error code?
The most common causes of P1E73 include: Open or short circuit in battery circuit 72; Malfunction of voltage or temperature sensor; Problems with connectors or wiring harness; Battery module failure.
How do I fix a P1E73 diagnostic trouble code?
To fix P1E73: Carry out diagnostics of the high-voltage system. Check the integrity of circuit 72 and connections. Test voltage and temperature sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E73?
Do not drive — repair immediately
How much does it cost to fix P1E73?
The estimated repair cost for P1E73 is $56–556. Actual cost depends on your vehicle, location, and labor rates.
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