How do you reprogram a control module?
What is reprogram powertrain control module?
- Open the hood of the vehicle.
- Disconnect the negative battery cable from the battery. Use a wrench to loosen the lock nut, and pull the cable off. This cuts the power to the PCM. Wait for five minutes.
Does a Body Control Module have to be programmed?
The body control module (BCM) must be programmed with the proper RPO configurations. The BCM stores the information regarding the vehicle options and if the BCM is not properly configured with the correct RPO codes the BCM will not control the features properly.
How do you reset the BCM on a Chevy Silverado?
Remove the nut from the negative battery cable and slide that off the battery. Now, go back to the interior of Your truck and turn Your headlight switch to the ON position; this’ll drain the remaining power from the ECM. You should wait at least 10 minutes before You turn these off.
Is it possible to reprogram a GM control module?
But successful reprogramming of an existing control module as well as programming a new module, including for installation of GM Accessories, requires that the programming process be followed properly every time, including correctly preparing the vehicle for programming, setting up the necessary tools, and reviewing the Service Information.
What does the PCM do in a Chevy truck?
by Alibaster Smith. The PCM, or powertrain control module, in your Chevy truck serves as the on-board diagnostic computer for your vehicle. The PCM controls everything from air-to-fuel ratio to generating fault or trouble codes for critical vehicle systems. If your PCM fails your Chevy truck can experience a wide range of problems.
Do you need to program a control module?
Do not program a control module unless directed to by a service procedure or a Service Bulletin. Programming a control module at any other time will not permanently correct a customer concern. GM does not recommend reprogramming with the same calibration.
Do you need to reset a control module?
The Service Information should always be reviewed for the appropriate programming and set-up procedures of an individual module. Based on the control module being programmed, some vehicle modules will require configuration, reset or learn functions to be performed after programming.