DTC P0603, DTC P1605, DTC P1633 Or DTC P1639: Notes

WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Code Definition

DTC P0603: PCM - Keep Alive Power (KAPWR) Circuit - Malfunction
DTC P1605: PCM - Keep Alive Power (KAPWR) Circuit - Malfunction
DTC P1633: PCM - Keep Alive Power (KAPWR) Circuit - Interrupted Power
DTC P1639: PCM - Corrupted Or Not Programmed Correctly