DTC U0401-83: Error Signal Received From Pcm: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Description	Error signal received from PCM
Detection condition	Electric parking brake control module receives the error signals from the PCM with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	DTCs are stored in the PCM. PCM malfunction Electric parking brake control module malfunction
System wiring diagram	Not applicable