P0C37
Hybrid/EV Battery Temperature Sensor F Circuit Intermittent/Erratic
P0C37 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Temperature Sensor F Circuit Intermittent/Erratic. Common causes: open or short circuit in the sensor circuit, oxidized sensor connector contacts. Estimated repair cost: $28–94.
Symptoms
- Hybrid system power reduction
- Flashing "Check Hybrid System" indicator
- Extended battery charging time
- Unstable charge level indicators
- Battery overheating in hot weather
Causes
- Open or short circuit in the sensor circuit
- Oxidized sensor connector contacts
- Defect of the temperature sensor itself
- Problems with insulation of wiring in the battery compartment
- Battery management module (BMS) malfunction
How to Fix
- Conduct sensor resistance diagnostics at different temperatures
- Check the integrity of the wiring and contacts in the battery compartment
- Scan BMS memory for additional trouble codes
- Replace battery temperature sensor if necessary
- Update BMS module software
Related codes
Error P0C37 by Vehicle Brand
FAQ
What does the P0C37 code mean?
P0C37 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Temperature Sensor F Circuit Intermittent/Erratic
What causes a P0C37 error code?
The most common causes of P0C37 include: Open or short circuit in the sensor circuit; Oxidized sensor connector contacts; Defect of the temperature sensor itself; Problems with insulation of wiring in the battery compartment.
How do I fix a P0C37 diagnostic trouble code?
To fix P0C37: Conduct sensor resistance diagnostics at different temperatures. Check the integrity of the wiring and contacts in the battery compartment. Scan BMS memory for additional trouble codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C37?
Do not drive — repair immediately
How much does it cost to fix P0C37?
The estimated repair cost for P0C37 is $28–94. Actual cost depends on your vehicle, location, and labor rates.
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