Change Oil Indicator Is Inoperative On The LE5 4 Cylinder Engine - keywords cluster instrument IPC lamp life light panel

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Some customers may comment that the "Change Engine Oil Indicator" is inoperative. This is only a concern with the LE5 4 cylinder engines. During diagnosis using the Tech2, the "Engine Oil Life Remaining" will display (0%) in the ECM and IPC, and the "Change Engine Oil Indicator Command" will display (Yes) but the light is not on. Some customer may receive a message from Onstar recommending the customer to have their oil changed, but the "Change Engine Oil Indicator" has never come on.

Do not replace any parts to try to repair this concern at this time. Engineering is aware of the concern and is looking into a fix. This PI will be update when new information becomes available.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.