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
NHTSA ID Number: 10201310 Manufacturer Communication Number: PIT3099U Summary This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support. 1010 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE … Read more
NHTSA ID Number: 10224304 Manufacturer Communication Number: PIT5698C Summary This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Condition As more smart motors, switches, and sensors are being used there are more Local Interconnect Network (LIN) buses on vehicles. Because of this, some questions … Read more
NHTSA ID Number: 10201321 Manufacturer Communication Number: PIT5662F Summary This Preliminary information communicates information to diagnose DTC C056D or C056E. 51 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018-2022 CADILLAC XT5 2017-2022 CADILLAC XT6 2020-2022 CHEVROLET BLAZER 2019-2022 CHEVROLET SILVERADO 1500 2019-2022 CHEVROLET SILVERADO 2500 2020-2022 CHEVROLET SILVERADO 3500 2020-2022 CHEVROLET TRAVERSE 2018-2022 GMC … Read more
NHTSA ID Number: 10220319 Manufacturer Communication Number: 22-NA-181 Summary This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Condition Some customers may comment on a noise coming from underneath the vehicle equipped … Read more
