P0CA1
Drive Motor Control Module Requested MIL Illumination
Generic OBD-II
Common symptoms
What you'll notice
- Clear the code and check if it returns
- Replace Drive Motor Control Module
Common causes
Most likely first
- Loose or damaged wiring connections to the drive motor control module
- Sensor malfunction or failure related to the drive motor control module
- Issues with the vehicle's powertrain control module (PCM) communicating with the drive motor control module
- Faulty drive motor control module
How to diagnose & fix
Work through it in order
- Check Engine Light (MIL) illuminates on the dashboard
- Decreased performance or power loss
Read & clear P0CA1 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.