May 23, 2013 · Share this conversation. Answered in 4 minutes by: 5/23/2013. Dodge Mechanic: -Brad-, Dodge Dealership Tech. Category: Dodge. Satisfied Customers: Satisfied Customers. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.. Nov 27, 2020 · If you Google P1693, you will probably see something that reads "Turbo Charge Control Circuit Malfunction". However, on Cummins turbo diesel engines, this code has nothing to do with the turbocharger. P1693 is considered the "companion code". It is triggered when the powertrain control module (PCM) detects a code that us not actually associated.