P0A79

Drive Motor B Inverter Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Hybrid system power reduction
Check Engine light comes on
The vehicle goes into emergency mode
Unusual noises from the electric motor
Reduced performance of the hybrid system

Causes

Motor inverter fault B
Problems with the wiring harness or connectors
Motor fault
Problems with the inverter cooling system
Control system software errors

How to Fix

Check the condition of wiring harnesses and connectors
Check the inverter cooling system
Scan the system for additional errors
Check the performance of the electric motor
Replace the faulty inverter if necessary

Related codes

P0A80 P0A7A P0A7F