OBD Guide

P0AF7

14 Volt Power Module Internal Temperature Too High

P0AF7 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Internal Temperature Too High. Common causes: malfunction of the fan or module cooling system, clogged air filter or vents. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Disabling some electrical functions
  • Error message on the dashboard
  • The car goes into emergency mode

Causes

  • Malfunction of the fan or module cooling system
  • Clogged air filter or vents
  • Excessive load on the electrical system
  • Internal short circuit in the module
  • Problems with the module software

How to Fix

  1. Check the module cooling system (fan, air ducts)
  2. Clean the ventilation openings from dirt
  3. Check the load on the electrical system
  4. Test the module on the stand
  5. Replace 14V power module if necessary

Related codes

Error P0AF7 by Vehicle Brand

FAQ

What does the P0AF7 code mean?

P0AF7 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Internal Temperature Too High

What causes a P0AF7 error code?

The most common causes of P0AF7 include: Malfunction of the fan or module cooling system; Clogged air filter or vents; Excessive load on the electrical system; Internal short circuit in the module.

How do I fix a P0AF7 diagnostic trouble code?

To fix P0AF7: Check the module cooling system (fan, air ducts). Clean the ventilation openings from dirt. Check the load on the electrical system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0AF7?

Limited driving only, diagnose soon

How much does it cost to fix P0AF7?

The estimated repair cost for P0AF7 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat