OBD Guide

P1E3F

14 V Power Module Read Only Memory

P1E3F is an OBD-II diagnostic trouble code meaning: 14 V Power Module Read Only Memory. Common causes: power module software failure, damage to the power module rom. 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 Is On
  • Battery charging problems
  • Malfunctions of the car's electronic systems
  • Unstable engine operation
  • Reduced vehicle performance

Causes

  • Power module software failure
  • Damage to the power module ROM
  • Problems with module power supply
  • Short circuit in the module circuit
  • Corrosion of power module contacts

How to Fix

  1. Check connections and wiring harness of power module
  2. Flash or update module software
  3. Check the module supply voltage
  4. Replace the 14V power module if necessary
  5. Check the condition of the battery and generator

Related codes

FAQ

What does the P1E3F code mean?

P1E3F is an OBD-II diagnostic trouble code that indicates: 14 V Power Module Read Only Memory

What causes a P1E3F error code?

The most common causes of P1E3F include: Power module software failure; Damage to the power module ROM; Problems with module power supply; Short circuit in the module circuit.

How do I fix a P1E3F diagnostic trouble code?

To fix P1E3F: Check connections and wiring harness of power module. Flash or update module software. Check the module supply voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E3F?

Yes, but get it checked soon

How much does it cost to fix P1E3F?

The estimated repair cost for P1E3F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat