Many GM cars and trucks are equipped with an oil life system which determines when an oil change is required. After the oil has been changed, it’s necessary to reset the system. Procedures for resetting 2001 through 2004 trucks are published here. Passenger cars were published last month. The information for this article is the same as you will find in the applicable owner or service manual.To find this information in SI:
Select the vehicle
Select category General Information
Select category Maintenance and Lubrication
Select category Maintenance and then GM Oil Life System-Resetting.
You may be able to use the Search function using the words Oil Life System Resetting.
And for more GM vehicles projects,check here:GM vehicle repair cases
2001 – 04 Aztek
2002 – 04 Rendezvous
If the vehicle does not have the optional Driver Information Center (DIC) do the following:
1With the ignition key in ON but the engine off, fully push and release the accelerator pedal slowly three times within five seconds.
2Turn the key to OFF.
3If the CHANGE ENGINE OIL message comes back on, the engine oil life monitor has not reset.
Repeat the procedure.
If the vehicle has the optional DIC, do the following:
1Turn the ignition to ON with the engine off.
2Press the MODE button until the DIC reads OIL LIFE LEFT/HOLD SET TO RESET.
3Press and hold the SET button until 100% is displayed.
You will hear three chimes and the CHANGE ENGINE OIL message will go off. If the CHANGE ENGINE OIL message comes back on, the monitor has not reset.
Repeat the procedure.
2001 – 04 Montana
2001 – 04 Silhouette
2001 – 04 Venture
1With the ignition key in RUN but the engine off, repeatedly push the trip/reset button until OIL is displayed on the Driver Information Center.
2Once OIL is displayed, push and hold the trip/reset button for five seconds. The number will disappear and be replaced by 100 (indicating 100% oil life remaining).
3Turn the key to OFF.
4If the change engine oil message comes back on, the engine oil life monitor has not reset.
Repeat the procedure.
2002 – 04 Bravada
2002 – 04 TrailBlazer
2002 – 04 Envoy
2004 Ranier w/o DIC
1Turn the ignition key to RUN with the engine off.
2Fully press and release the accelerator pedal three times within five seconds.
3If the CHANGE ENG OIL light flashes for five seconds, the system is reset. If the light does not flash, repeat the procedure.
2004 Ranier with DIC
1Press the fuel information button until ENGINE OIL LIFE appears in the display.
2To reset the monitor, press and hold the select button while ENGINE OIL LIFE is displayed.
2004 Canyon
2004 Colorado
1Display ENGINE OIL LIFE on the DIC.
2Press and hold the select button. The oil life will change to 100%.
3Turn the key to OFF. If the CHANGE/OIL message comes back on when you start the vehicle, the engine oil life system has not reset.
Repeat the procedure.
2004 SSR with DIC
1Press the fuel information button until ENGINE OIL LIFE appears in the display.
2To reset the Oil Life System, press and hold the select button while ENGINE OIL LIFE is displayed.
2001 – 04 Sierra
2002 – 04 Sierra Denali
2001 – 04 Silverado
2001 – 04 Yukon and Yukon XL
2001 – 04 Tahoe and Suburban
2001 – 04 Escalade
2002 – 04 Escalade EXT
2002 – 04 Avalanche
2001 – 04 Yukon Denali
2003 – 04 Hummer H2
2003 – 04 Express
2003 – 04 Savana
1Turn the ignition to RUN but with the engine off.
2Fully push and release the accelerator pedal slowly three times within five seconds.
3If the Change Oil Soon light flashes, the system is resetting.
4Turn the key to OFF.
5Start the vehicle.
6The oil life will change to 100%.
7If the Change Oil Soon light comes back on, the system has not reset.
Repeat the procedure.
2001 – 04 B7 Chassis Medium Duty
1Turn the ignition to START but with the engine off.
2Fully press and release the accelerator pedal three times within 10 seconds.
3If the CHANGE OIL light flashes for five seconds, the system is reset.
4If the light does not display for five seconds, you will need to reset the system again.
2003 – 04 560 C-Series
1Turn the ignition to RUN but with the engine off.
2Fully press and release the accelerator pedal three times within 10 seconds.
3If the CHANGE OIL light flashes for five seconds, the system is reset.
4If the light does not display for five seconds, you will need to reset the system again