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: 10178274 Manufacturer Communication Number: 20NA118 Summary This technical bulletin advises that the code may be false and it should be cleared and then take the vehicle for a test drive to verify the code will not return and advise the customer of how the code may set during certain driving conditions. 28 … Read more
NHTSA ID Number: 10178281 Manufacturer Communication Number: 20NA127 Summary This Technical bulletin provides a procedure to correct a condition of Rear Brake Lights Stay Illuminated All the Time. 4 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET BOLT EV 2017-2020 SEOCONTENT-START Copyright 2020 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 20-NA-127 … Read more
cNHTSA ID Number: 10226384 Manufacturer Communication Number: PIP5175E Summary This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump … Read more
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
