OBD Guide

P1F59

14 Volt Power Module Status Terminal Circuit Performance

P1F59 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Status Terminal Circuit Performance. Common causes: open or short circuit in control circuit, poor contact in module connectors. 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
  • Reduced performance of the hybrid system
  • Incorrect operation of additional electrical equipment
  • Possible problems with charging a 12-volt battery

Causes

  • Open or short circuit in control circuit
  • Poor contact in module connectors
  • Malfunction of the 14-volt power module
  • Wiring Harness Problems
  • Control unit malfunction

How to Fix

  1. Check the integrity of the module control circuit
  2. Inspect connectors and contacts for oxidation
  3. Check the voltage at the module output
  4. Test the module on another car (if possible)
  5. Replace the 14-volt power module if necessary

Related codes

FAQ

What does the P1F59 code mean?

P1F59 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Status Terminal Circuit Performance

What causes a P1F59 error code?

The most common causes of P1F59 include: Open or short circuit in control circuit; Poor contact in module connectors; Malfunction of the 14-volt power module; Wiring Harness Problems.

How do I fix a P1F59 diagnostic trouble code?

To fix P1F59: Check the integrity of the module control circuit. Inspect connectors and contacts for oxidation. Check the voltage at the module output. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1F59?

Yes, but get it checked soon

How much does it cost to fix P1F59?

The estimated repair cost for P1F59 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat