PCM/TCM Modification times to completion Chad Stowell April 21, 2023 20:51 All PCM/TCM services take approximately 3 business days to complete once we receive the module and all needed information. Related articles Do my vehicle modules require TCM/PCM service? L5P ECM Purchase / Exchange / Update How to Read, License, and Flash an ECM Buying From HP Tuners: What You Need to Know to Get Started Read Disabled Comments 0 comments Please sign in to leave a comment.
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