P1A8F
14 Volt Power Module Current Sensor Overcurrent
P1A8F is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Current Sensor Overcurrent. Common causes: malfunction of the current sensor in the 14v module, short circuit in power supply. Estimated repair cost: $28–167.
Symptoms
- Dashboard warning
- Disabling systems powered by a 14V module
- Problems with the start-stop system
- Unstable operation of the power steering
- Reduced battery charging efficiency
Causes
- Malfunction of the current sensor in the 14V module
- Short circuit in power supply
- Overloading the system with additional equipment
- Problems with module wiring harness
- Malfunction of the 14V power module itself
How to Fix
- Check the current sensor readings with a scanner
- Inspect the wiring harness for damage
- Check the load on the 14V system
- Replace current sensor if necessary
- Replace the 14V power module if the fault is confirmed
Related codes
FAQ
What does the P1A8F code mean?
P1A8F is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Current Sensor Overcurrent
What causes a P1A8F error code?
The most common causes of P1A8F include: Malfunction of the current sensor in the 14V module; Short circuit in power supply; Overloading the system with additional equipment; Problems with module wiring harness.
How do I fix a P1A8F diagnostic trouble code?
To fix P1A8F: Check the current sensor readings with a scanner. Inspect the wiring harness for damage. Check the load on the 14V system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1A8F?
Limited driving only, diagnose soon
How much does it cost to fix P1A8F?
The estimated repair cost for P1A8F is $28–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat