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: 10185718 Manufacturer Communication Number: PIT5606J Summary This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative, unwanted seat or mirror movement. Inspect harness for chaffed by the I-shaft at the base of the steering column. If chaffed, repair damaged wires … Read more
NHTSA ID Number: 10163671 Manufacturer Communication Number: PIT5697 Summary This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at https://www.gmupfitter.com/ under the “Technical Bulletin” Tab and then “Show all bulletins.” … 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
