5 Steps to Delete GMC Sierra AFM with MPM ECU Tool

 One of our customers has figured out how to delete or disable Active Fuel Management (AFM) on a 2014 GMC Sierra 1500 with MPM ECU Tuning tool, working 100%

Follow 5 steps below:

BEFORE STARTING, MAKE SURE THAT YOU HAVE A BATTERY MAINTAINER IN THE CAR, YOU NEED CONSTANT POWER TO MAKE THIS READINGS AND WRITING, DO NOT RISK BRICKING THE ECM

STEP 1:
Hit MPM PLUG in PCMTUNER software, once it opens. click on read ( see picture below)

Check: How to install and activate MPM Plug software?

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

STEP 2: hit Gather info, and then Read.
will give you the option to read transmission, ECM, and CCM. just go for the ECM to do this.

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

STEP 3: SAVE ALL ORIGINAL DATA, ONLY THEN:
Click on 'engine', then go to fuel, and change DOD to 'Disable'

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

FUEL/DOD/DISABLE

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

STEP 4: hit 'Write'

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

STEP 5: choose 'write calibration' on the prompt and hit write. wait until is done and take it for a ride to check it out

MPM ECU Tool delete AFM for 2014 GMC Sierra 1500

NOTE:

MPM Plug will do ECM, TCM, some fuel pump module, but no BCM, it doesn't do BCM's.

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