P0A90

Drive Motor A Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–889 (est.)

Symptoms

Hybrid system power reduction
Increased fuel consumption
Unstable operation of the hybrid system
Check Engine light comes on
Possible problems with regenerative braking

Causes

Motor A fault
Inverter problems
Malfunction of engine position sensors
Wiring harness damage
Problems with control software

How to Fix

Motor A diagnostics
Checking the Inverter Status
Checking position sensors and their wiring
Hybrid System Software Update
Replacing faulty components

Related codes

P0A80 P0A91 P0A92