Owners Manual Error - Oil Life Percentage Displayed on DIC - kw GMT355 display cluster indicator

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Owners manual states the DIC will show oil life percentage. This is incorrect. The DIC will display oil life when the oil needs to be changed. It will never show oil life percentage.

The oil life can be reset per the owners manual with the DIC. Or it may be set with the Tech 2. To use the Tech 2, go to PCM, special functions, engine output controls, oil life reset. You can see oil life percentage and reset the oil life at that screen.

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Please follow this diagnosis 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. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(2004 Colorado Canyon S1 T1 GMT355)

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