Volvo VNL Semi Truck & Volvo D13, Cummins ISX etc. Engine FAQs

How to check Volvo engine codes?

This will all be done using the stalk on the right hand side of your steering wheel Press the ESC button to access the main menu Press the UP/DOWN button on the end of the stalk until you find the “Diagnostics” menu and press the ↳ button Scroll using the UP/DOWN button until you find the Module you would like to access and press the  ↳ button It will display the codes if any, you can press the ESC button to return to the previous screen to access a different Module

How do you reset the code on a Volvo VNL?

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This will all be done using the stalk on the right hand side of your steering wheel Press the ESC button to access the main menu Press the UP/DOWN button on the end of the stalk until you find the “Diagnostics” menu and press the ↳ button Scroll using the UP/DOWN button until you find the Module you would like to access and press the  ↳ button Scroll through the code or codes with the DOWN button and once you reach the end, it will prompt you with steps on how to clear ALL FAULT CODES, it may require a PIN which usually is 0000

How do you force Regen a Volvo?

This requires a diagnostic scanner tool, which in that case would be an instructional guide from the scanners manufacturer considering all scanners have different methods of activating a forced regen.

How do I cancel a parked regen on a Volvo VN / VNL?

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This can be done by pressing the brake pedal, accelerator pedal or parking brake (if it's safe to do so)