Change Engine Oil

Change Oil Soon Circuit:

CIRCUIT DESCRIPTION:
The BCM calculates the oil life index based on coolant temperature, engine RPM, and vehicle speed. When the index is 0%, the DIC will display "CHANGE ENGINE OIL." After an oil change, the index may be reset by displaying the oil life index and then pressing and holding the "AVG SPEED" and "RANGE" buttons simultaneously until the oil life index shows 100%.

TEST CONDITION(S):
None

FAILURE CONDITION(S):
1. Oil life index is 0%.
OR
1. Oil life index is greater than 0%.
2. Vehicle mileage since last oil change is greater than 7500 miles.

ACTION TAKEN:
1. Display "CHANGE ENGINE OIL" message on the CCDIC.