Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
- Ignition ON, clear the DTC information with a scan tool. Observe the scan tool DTC information.
- If DTC P0602 is set, reprogram the K20 ECM. Refer to Control Module References for K20 ECM replacement, setup, and programming. If DTC P0602 resets, replace the K20 ECM.
- Observe the DTC information with a scan tool. Verify that DTC P0601, P0603, P0604, P0605, P0606, P0607, P060D, P062F, or P2610 does not set.
- If a DTC failed this ignition, replace the K20 ECM.