× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Continous ECM faults
Posted to Technical Discussion Forum on 9/23/2019 6 Replies

Well, just going by one code, the P0633, the ECM was not programmed correctly. This code means the secret key data has not been programmed into the replacement Cummins Engine Control Module (ECM).

Are you sure they programmed the ECM and not the PCM? Login to read more.

6 Replies Received (View Replies)