Tag: L5P

GM Investigating Upper Engine Noise in 2026 L5P Duramax
GM Investigating Upper Engine Noise in 2026 L5P Duramax
General Motors has issued a new service bulletin for 2026 Chevrolet Silverado 2500HD and 3500HD and 2026 GMC Sierra 2500HD and 3500HD trucks equipped with...
2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling
2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling
Owners of a 2023 Chevy Silverado HD or GMC Sierra HD with an L5P 6.6L Duramax Turbo Diesel may have their trucks randomly stall and/or...
GM Issues TSB For 3.0/6.6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors
GM Issues TSB For 3.0/6.6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors
Attention diesel GM truck and SUV owners! General Motors has released a crucial service bulletin addressing specific issues related to the Malfunction Indicator Lamp (MIL)...
Is Your Truck Throwing An Exhaust Filter Error? This TSB Explains Why!
Is Your Truck Throwing An Exhaust Filter Error? This TSB Explains Why!
Do you own a diesel powered General Motors, Chevrolet or GMC truck spanning model years 2007 through 2021? GM has a new TSB out that...
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