GM

Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns Do Not Separate The Torque Converter From the Flex Plate – GM Passenger Cars and Trucks

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General Motors

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

Diesel Fuel Gelling in Cold Temperatures Causing In-Tank Fuel Pump Whine and Driveability Concerns – 2010-2020 GM Passenger Cars & Trucks

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2020 Chevrolet Silverado

NHTSA ID Number: 10163226 Manufacturer Communication Number: 18NA103 Summary This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians may find DTCs P0087, P018B, P228A, P228B or … Read more

Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management – GM

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2019 Chevrolet Corvette ZR1

NHTSA ID Number: 10201281 Manufacturer Communication Number: PIP5632E   Summary This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on … Read more

Engine and Transmission Assembly Replacement and PQC Process – GM Passenger Cars and Light Duty Trucks

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2019 Chevrolet Corvette ZR1

NHTSA ID Number: 10163215 Manufacturer Communication Number: 16NA338 Summary This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.   720 Affected Products Vehicles MAKE MODEL YEAR … Read more

Handling Requests For Modifications To Permanently Import / Export Vehicles Between The US And Canada – GM Passenger Cars and Trucks

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General Motors

NHTSA ID Number: 10222839 Manufacturer Communication Number: 22-NA-195 Summary This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.   Condition / Concern General Motors (GM) and General Motors of Canada Company (GMCC) do not support cross border sales. Dealers are not authorized under their agreements with GM … Read more