P0C1A

Symptoms

• Hybrid system power reduction
• Switching to emergency mode
• Unusual noises from the electric motor
• Increased fuel consumption
• Check Engine Light Illuminated

Causes

• Motor B fault
• Problems with position or speed sensors
• Inverter or controller malfunction
• Mechanical damage in the torque transmission system
• Problems with control software

How to Fix

1. Motor B diagnostics
2. Checking position and speed sensors
3. Testing the inverter and controller
4. Checking the mechanical components of the drive
5. Control system software update

Related codes

Error P0C1A by Vehicle Brand