P0AF7

14 Volt Power Module Internal Temperature Too High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (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

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

Related codes

P0AA6 P0AF1 P0AF4