The engine RPM will increase significantly. This can take 30 to 50 minutes . Do not turn off the engine until the message says cleaning is complete. 🛡️ Best Practices for Longevity
Use the steering wheel buttons to scroll through the DIC Settings Menu . Select "Exhaust Cleaning": Follow the prompts to "Start." 6.6 / 10 AcciГіnMist...
Put the truck in Park (P) and keep the engine idling. The engine RPM will increase significantly
The 6.6L Duramax is highly rated for reliability, but maintenance is key to avoiding "Limp Mode." 6.6 / 10 AcciГіnMist...
NEVER perform a manual regeneration inside a garage or enclosed shop due to carbon monoxide and fire risks.