Change Oil Soon Indicator Light Comes on Too Soon - kw appearance calibration check information IPC lamp L82 PCM performance poor

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

Some customers of the 2003 Buick Century with 3.1LG8 may complaint that Change Oil Soon light comes on too soon at very low mileage intervals. This condition is caused by an error in the PCM software calibration. To correct the concern the dealer needs to program the PCM per TIS 13.0, which was released to the field in December 2003. Thanks, Hassan Abdallah - Brand Quality group

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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.

(2003 Buick Century)

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