P1E43
14 Volt Power Module System Overvoltage Sensing Circuit
P1E43 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module System Overvoltage Sensing Circuit. Common causes: 14v power module faulty, problems with wiring or contacts in the control circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Problems with the start-stop system
- Malfunctions of the car's electronic systems
- Reduced hybrid system efficiency (if any)
- Errors in other electrical systems
Causes
- 14V power module faulty
- Problems with wiring or contacts in the control circuit
- Voltage sensor fault
- Problems with the alternator or charging system
- Short circuit in the circuit
How to Fix
- Check the voltage on the 14V power module
- Inspect the wiring and connectors in the control circuit
- Check the operation of the voltage sensor
- Test the generator and charging system
- If necessary, replace the 14V power module
Related codes
FAQ
What does the P1E43 code mean?
P1E43 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module System Overvoltage Sensing Circuit
What causes a P1E43 error code?
The most common causes of P1E43 include: 14V power module faulty; Problems with wiring or contacts in the control circuit; Voltage sensor fault; Problems with the alternator or charging system.
How do I fix a P1E43 diagnostic trouble code?
To fix P1E43: Check the voltage on the 14V power module. Inspect the wiring and connectors in the control circuit. Check the operation of the voltage sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E43?
Yes, but get it checked soon
How much does it cost to fix P1E43?
The estimated repair cost for P1E43 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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