MIL Remains ON after Engine Starts

MIL Remains ON after Engine Starts

Wiring Diagram

Refer to MIL Does Not Come ON with Ignition Switch in ON Position and Engine Stopped (but Engine Can Be Started) MIL Does Not Come ON with Ignition Switch in ON Position and Engine Stopped (but Engine Can Be Started).

Circuit Description

Refer to MIL Does Not Come ON with Ignition Switch in ON Position and Engine Stopped (but Engine Can Be Started) MIL Does Not Come ON with Ignition Switch in ON Position and Engine Stopped (but Engine Can Be Started).

Troubleshooting

1. DTC check

Start engine and recheck DTC of ECM and TCM while engine running.

Is there any DTC(s)?
YES -
Go to troubleshooting for applicable DTC.
NO -
Substitute a known-good combination meter and recheck. If MIL still remains ON, substitute a known-good ECM and recheck.