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Service Update:  N202315731 Wheel Casting with Exposed Porosity on Extra Set of Wheels Attention: This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will... Read More

#N212327740: Service Update - HVAC Condensate Drain Hose Not Fully Installed - (Mar 10, 2021) Subject: N212327740 — HVAC Condensate Drain Hose Not Fully Installed Models: 2020 – 2021 Chevrolet Corvette Release Date: March... Read More

#PIT5817A: SES MIL / Dead Battery / DTC P0700 P2535 U300D - (Mar 8, 2021) Subject:  SES MIL / Dead Battery / DTC P0700 P2535 U300D Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Envision ... Read More

#20-NA-123: Malfunction Indicator Lamp (MIL) Illuminated, DTCs U1961, U1983 Set - (Mar 8, 2021) Subject:  Malfunction Indicator Lamp (MIL) Illuminated, DTCs U1961, U1983 Set Brand: Model: Model Year: Breakpoint: Engine: ... Read More

#PIP5784: 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement - (Mar 1, 2021) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac ATS Models 2016 2019 All All All ... Read More

March 1, 2021 GM TechLink Some 2020 - 2021 Corvette models may have multiple DTCs set in the Transmission Control Module (TCM). The DTCs may be caused by an internal transmission solenoid or switch sticking due to debris in the DCT TR-9080... Read More

#PIP5715B: Rough Idle With Misfire Counts On Random Cylinders - (Feb 15, 2021) Subject:  Rough Idle With Misfire counts On Random Cylinders Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet ... Read More

#20-NA-236: Engine Overheats or Coolant Leak Under Rear of Vehicle - (Feb 10, 2021) Subject:  Engine Overheats or Coolant Leak Under Rear of Vehicle Brand: Model: Model Year: VIN: Engine: Transmission: from to from to ... Read More

#PIT5796A: Drivers Memory Seat Does Not Adjust / Move To Its Full Travel - (Feb 5, 2021) Subject:  Drivers Memory Seat Does Not Adjust / Move To Its Full Travel Brand: Model: Model Year: VIN: Engine: Transmission: from to from... Read More

Release Date:  January 2021 Revision Description: This bulletin has been revised to remove the intake manifold part numbers from the part tables and expand the acceptable evidence to include prior documented complaints of overheating or a track... Read More