OBD Guide
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P1F5A

14 Volt Power Module Status Terminal Circuit Low Voltage

P1F5A is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Status Terminal Circuit Low Voltage. Common causes: damage to wiring or connectors, 14v power module faulty. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect operation of the start-stop system
  • Reduced performance of the hybrid system
  • Battery charging problems
  • Unstable operation of electronic systems

Causes

  • Damage to wiring or connectors
  • 14V power module faulty
  • Battery problems
  • Generator malfunction
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the wiring and connectors
  2. Check the voltage on the 14V power module
  3. Check battery condition
  4. Check generator operation
  5. Replace the 14V power module if necessary

Related codes

P1F5BP1F5CP1F5D

FAQ

What does the P1F5A code mean?

P1F5A is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Status Terminal Circuit Low Voltage

What causes a P1F5A error code?

The most common causes of P1F5A include: Damage to wiring or connectors; 14V power module faulty; Battery problems; Generator malfunction.

How do I fix a P1F5A diagnostic trouble code?

To fix P1F5A: Check the condition of the wiring and connectors. Check the voltage on the 14V power module. Check battery condition. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1F5A?

Yes, but get it checked soon

How much does it cost to fix P1F5A?

The estimated repair cost for P1F5A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat