Diagnostic Tips

Part Restriction T93 Transmission Control Module – 2019 Chevrolet GMC Cadillac

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2019 Chevrolet Silverado

NHTSA ID Number: 10162156 Manufacturer Communication Number: PIP5575C Summary This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC.   3 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT6 2019 CHEVROLET SILVERADO 1500 2019 GMC SIERRA 1500 2019     SEOCONTENT-START Bulletin No.: PIP5575C Published date: 06/26/2019 Preliminary … Read more

Loud Drone or Growl Noise Heard from Inside Vehicle – 2014-2015 Buick Encore

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2015 Buick Encore

NHTSA ID Number: 10126342 Manufacturer Communication Number: 15-08-44-003 Summary This technical bulletin provides repair information to correct a customer concern of a loud drone or growl noise heard from inside the vehicle.   2 Affected Products Vehicle MAKE MODEL YEAR BUICK ENCORE 2014-2015   Parts Information Description Part Number AMPLIFIER ASM-RDO SPKR 42444544 AMPLIFIER ASM-RDO SPKR 42338477 … Read more

Service Stabilitrak Message Displayed, DTC C0196-5A Set in the Electronic Brake Control Module (EBCM) – 2014-2019 Cadillac Chevrolet GMC

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2018 Cadillac Escalade

NHTSA ID Number: 10126347 Manufacturer Communication Number: 15-05-25-001   Summary This technical bulletin provides repair information to correct a customer concern of a Service Stabilitrak message displayed on the Driver Information Center (DIC). During diagnosis, a technician may find DTC C0196-5A set in the Electronic Brake Control Module (EBCM).   26 Affected Products Vehicles MAKE MODEL YEAR … Read more

Diagnosis and Replacement of Shock Absorber and Strut Due to Fluid Leak – GM Passenger Cars and Trucks

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2022 Chevrolet Corvette

NHTSA ID Number: 10195128 Manufacturer Communication Number: 050308002I   Summary This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.     714 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2008-2021 BUICK ENCORE 2013-2021 BUICK ENCORE GX 2020-2021 BUICK ENVISION 2016-2021 BUICK … Read more

Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance) – 2014-2019 Cadillac Chevrolet GMC

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2016 Chevrolet Silverado

NHTSA ID Number: 10162127 Manufacturer Communication Number: PIT5457D Summary This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, … Read more