OBD Guide

P1F5E

14 Volt Power Module L-Terminal Circuit High Voltage

P1F5E is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module L-Terminal Circuit High Voltage. Common causes: 14v power module malfunction, damage to the wiring in the l-terminal circuit. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Problems with charging a high-voltage battery
  • Irregular operation of the hybrid system
  • Warning messages on the dashboard

Causes

  • 14V power module malfunction
  • Damage to the wiring in the L-terminal circuit
  • Grounding problems
  • Malfunction of the hybrid system control unit
  • Short circuit in the circuit

How to Fix

  1. Check the voltage at the 14V module terminals
  2. Inspect wiring and connectors for damage
  3. Check L-terminal circuit resistance
  4. Test the operation of the power module
  5. If necessary, replace the 14 V power module

Related codes

FAQ

What does the P1F5E code mean?

P1F5E is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module L-Terminal Circuit High Voltage

What causes a P1F5E error code?

The most common causes of P1F5E include: 14V power module malfunction; Damage to the wiring in the L-terminal circuit; Grounding problems; Malfunction of the hybrid system control unit.

How do I fix a P1F5E diagnostic trouble code?

To fix P1F5E: Check the voltage at the 14V module terminals. Inspect wiring and connectors for damage. Check L-terminal circuit resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1F5E?

Limited driving only, diagnose soon

How much does it cost to fix P1F5E?

The estimated repair cost for P1F5E is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat