P0C04

Drive Motor B Current High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–889 (est.)

Symptoms

Hybrid system power reduction
Overheating of electrical components
Check Engine Light Illuminated
Unstable operation of the hybrid system
The car may go into emergency mode

Causes

Drive motor fault B
Problems with high voltage battery
Inverter or converter malfunction
Damage to wiring or connectors
Mechanical overload of the system

How to Fix

Check condition of drive motor B
Diagnose high voltage battery and charging system
Check the inverter and voltage converter
Inspect the wiring harness and connectors for damage.
Carry out a test drive to check the operation of the system
Repair only from an authorized dealer

Related codes

P0C05 P0C06 P0C07