P0A74

Generator Phase V Current 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
Unusual noises from the generator
Reduced efficiency of regenerative braking
Increased fuel consumption

Causes

Hybrid system generator malfunction
Power electronics problems
Short circuit in phase circuit
Faulty current sensors
Wiring Harness Problems

How to Fix

Check the condition of the generator wiring harness
Test current sensors
Check the resistance of the phase windings
Diagnose power electronics
If necessary, replace the hybrid system generator

Related codes

P0A72 P0A73 P0A75