P0A3B

Generator A Over Temperature

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced hybrid system efficiency
Warning message on dashboard
Increased fuel consumption
Reduced vehicle power
Disabling the regenerative braking system

Causes

Generator cooling system malfunction
Generator overload
Generator temperature sensor malfunction
Wiring Harness Problems
Malfunction of the hybrid system control module

How to Fix

Check the generator cooling system
Diagnose generator temperature sensor
Check wiring harness and connections
Test the hybrid system control module
Replace generator if necessary

Related codes

P0A3A P0A3C P0A3D