CUMMINS

10/05/2016

DURAMAX

10/05/2016

2001 - 2005 DURAMAX read more

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10/05/2016

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15/12/2015

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HOW TO VIDEOS

06/11/2015

How to Install Tunes on your GDP Tuning Autocal Your browser does not support the video tag. read more

Cummins - How to unplug 2011 Cab & Chassis UREA

06/11/2015

How to unplug the UREA tank in your 2011 Cummins Cab & Chassis truck. FOR EMISSIONS REMOVED TUNING Locate the wiring harness with the YELLOW sliding lock-tab on the Urea pump assembly. The pump assembly is located near the bottom of the filler neck support. Slide the yellow lock-tab DOWN to dis-engage the lock and unplug the harness. read more

CUMMINS - How to clear “Perform Service” message

06/11/2015

How to clear the “Perform Service” message on the overhead console in your Cummins. Put the key in the ignition with doors closed Turn the key to the RUN position without cranking the engine Press and release the BRAKE pedal TWO times Press the ACCELERATOR pedal to the floor slowly TWO times within 10 seconds Turn the key to the OFF/LOCK position The “Perform Serv... read more

CUMMINS - How to clear “Oil Change Required” message

06/11/2015

How to clear the “Oil Change Required” message on the overhead console in your Cummins. Put the key in the ignition with doors closed Turn the key to the RUN position without cranking the engine Press the ACCELERATOR pedal to the floor THREE times within 10 seconds Turn the key to the OFF/LOCK position The “Oil Change Required” message should no longer appear.... read more

CUMMINS - How to clear codes without a code reader

06/11/2015

How to clear the DTCs (check engine light) on your Cummins without using a code reader. NOTE: Depending on which flash is on your PCM, there is a chance that this procedure will not work. In that case, it is best to use an OBD-II scanner to clear the codes. Put the key in the ignition with doors closed. Cycle the key FIVE times from the OFF position to the RUN position without cran... read more

CUMMINS - How to check codes without a code reader

06/11/2015

How to check the DTCs on your Cummins without using a code reader. Put the key in the ignition with doors closed. Cycle the key THREE times from the OFF position to the RUN position without cranking the engine. Leave in the RUN position on the THIRD cycle. Note: The RUN position is TWO clicks while the ACCESSORY position is only ONE click.   Example: KEY IN (OFF) – RUN &ndas... read more