P1E45
14 Volt Power Module Temperature Sensors 1-2 Not Plausible
P1E45 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Temperature Sensors 1-2 Not Plausible. Common causes: malfunction of one of the temperature sensors, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Possible problems with the operation of the start-stop system
- Reduced performance of the hybrid system (if any)
- Disabling some advanced features
Causes
- Malfunction of one of the temperature sensors
- Open or short circuit in the sensor circuit
- Connector problems or contact corrosion
- Malfunction of the 14-volt power module itself
- Problems with ECU software
How to Fix
- Carry out diagnostics of both temperature sensors
- Check the integrity of circuits and connectors
- Clean contacts from corrosion if necessary
- Replace faulty sensor(s)
- If necessary, replace the 14 V power module
Related codes
FAQ
What does the P1E45 code mean?
P1E45 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Temperature Sensors 1-2 Not Plausible
What causes a P1E45 error code?
The most common causes of P1E45 include: Malfunction of one of the temperature sensors; Open or short circuit in the sensor circuit; Connector problems or contact corrosion; Malfunction of the 14-volt power module itself.
How do I fix a P1E45 diagnostic trouble code?
To fix P1E45: Carry out diagnostics of both temperature sensors. Check the integrity of circuits and connectors. Clean contacts from corrosion if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E45?
Limited driving only, diagnose soon
How much does it cost to fix P1E45?
The estimated repair cost for P1E45 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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