GMC Sierra PCM Repair, Testing, Cloning & Programming

GMC Sierra PCM Causing No-Start, Communication Errors, or Random Trouble Codes?

The Powertrain Control Module (PCM) in your GMC Sierra controls critical engine and transmission functions. When the PCM begins to fail, it can cause a variety of symptoms ranging from communication issues and warning lights to no-start conditions and poor performance.

At AutoPCMS, we test, repair, replace, clone, and program GMC Sierra PCM modules for customers nationwide. Whether your truck is experiencing intermittent problems or a complete failure, our technicians can help determine if the PCM is the source of the issue.


Common GMC Sierra PCM Symptoms

  • Engine cranks but will not start
  • Check Engine Light stays on
  • U0100 communication codes
  • Transmission shifting problems
  • Intermittent stalling
  • Reduced power mode
  • Multiple sensor fault codes
  • Failed emissions testing
  • No communication with scan tool
  • Injector or ignition control issues

How We Help

Our technicians perform comprehensive testing to determine whether your GMC Sierra PCM can be repaired or if replacement is necessary. We also offer PCM cloning and programming services when applicable, helping reduce downtime and simplify installation.

Every module is thoroughly tested before being returned to the customer.


Why Choose AutoPCMS

  • Lifetime warranty on qualifying repairs
  • Fast turnaround times
  • Nationwide mail-in service
  • Professional PCM testing
  • Plug-and-play solutions available on many applications
  • Dedicated support throughout the repair process

Start Your Repair

If your GMC Sierra is experiencing PCM-related issues, AutoPCMS can help. Contact our team or start your repair request today to get your truck back on the road quickly and reliably.


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