2500

Diagnostic Tip – Service Stability System Message / MIL DTC U0131 – 2020 Chevrolet Silverado & GMC Sierra 2500/3500

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2020 Chevrolet Silverado

NHTSA ID Number: 10178356 Manufacturer Communication Number: PIT5755   Summary This Preliminary information communicates an issue with the Electronic Brake Control Module incorrectly mapping DTC U0126 as a U0131 and directs the dealership to follow the diagnostics for the U0126.   4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 CHEVROLET SILVERADO 3500 2020 GMC SIERRA 2500 … Read more

Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10193472 Manufacturer Communication Number: PIP5733R   Summary This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2020 CHEVROLET SUBURBAN 2020 CHEVROLET TAHOE 2020 GMC YUKON 2020   Condition Possible Crank no start or extended … Read more

Information on Diesel Exhaust Fluid Pump is Unable to Build Pressure After Replacement – 2017-2022 Cadillac Chevrolet GMC

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2020 Chevrolet Silverado

NHTSA ID Number: 10205057 Manufacturer Communication Number: 20NA110   Summary This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.     61 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET 4500HD 2021 CHEVROLET 5500HD … Read more

Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Signal Audio – 2019-2020 Cadillac Chevrolet GMC

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2020 Chevrolet Tahoe

NHTSA ID Number: 10178294 Manufacturer Communication Number: PIE0554B   Summary This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster.   16 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2019-2020 CADILLAC ESCALADE ESV 2019-2020 CHEVROLET SILVERADO 2500 2019 CHEVROLET SILVERADO 4500HD 2019 CHEVROLET SUBURBAN 2019-2020 CHEVROLET TAHOE 2019-2020 GMC … Read more

Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In – 2016-2020 Chevrolet & GMC

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2021 GMC Yukon

NHTSA ID Number: 10178367 Manufacturer Communication Number: PIP5504F   Summary This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis … Read more