Zach is one of the founders of 8020 Media and a lead writer for DieselIQ. He’s been in the automotive industry for over a decade and has published more than 400 articles for DieselIQ, TuningPro, BMWTuning, & more. His blend of automotive knowledge, writing & research skills, and passion make him an excellent resource for fellow diesel owners. His expertise goes beyond writing and includes a deep knowledge of Cummins and Powerstroke engines, as well as nearly 10 years of DIY experience. Zach is also experienced with tuning and has a wealth of technical knowledge that he brings to every article he writes.
P1693 is commonly mistaken as “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 with the PCM. Usually, the code is related…
