2015-2022 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222670 Manufacturer Communication Number: 22-NA-184 Summary This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.   Condition Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic … Read more

GM TAC Support On Vehicle Automatic Transmission Concerns That Can Be Duplicated

General Motors

NHTSA ID Number: 10224285 Manufacturer Communication Number: PIP5621C Summary This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.   Condition Some customers may comment on the operation … Read more

Service Engine Soon (SES) Lamp Illuminated, DTC P1467 and/or P1469 Set – 2019-2020 Chevrolet Silverado 1500

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10224286 Manufacturer Communication Number: PIT5723A Summary This Preliminary information communicates information that the EVAP purge pump may be filling with liquid fuel if the customer overfills the fuel tank by over 3 clicks of a normal filler nozzle. Reference N202324990: Special Coverage – Evaporative Emissions Purge Pump for repair information   Condition Some customers … Read more

Radio Remains On After RAP Is Canceled – 2018-2020 Chevrolet Trax

2020 Chevrolet Trax

NHTSA ID Number: 10224289 Manufacturer Communication Number: PIT5945 Summary This Preliminary information communicates that engineering is aware of the radio RAP staying on concern and is working on a resolution.   Condition Radio remains on for up to 11 minutes after RAP is canceled.   Cause Pending Over The Air Update concern.   Correction: Engineering is aware … Read more

2-3 Upshift Slip or Flare – 2006-2023 Cadillac Chevrolet GMC Hummer

General Motors

NHTSA ID Number: 10222832 Manufacturer Communication Number: 22-NA-185 Summary This informational bulletin explains how the trans slip or flare can be a normal condition.   Condition Some customers may comment on a 2-3 upshift slip or flare.   Cause This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair … Read more