Service Update N202319660 Valve Spring Failure – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10187618 Manufacturer Communication Number: N202319660 01   Summary Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin. … Read more

Service Update N202313620 Incorrect Torque Badge on Vehicle Decklid – 2020 Cadillac CT4

2020 Cadillac CT4

NHTSA ID Number: 10184528 Manufacturer Communication Number: N202313620   Summary Service Update. On vehicles equipped with a 2.7L turbo engine (RPO L3B), the incorrect 450T badge was applied to the decklid. Dealers are to remove the incorrect 450T badge and replace with the correct 500T badge.   SEOCONTENT-START GLOBAL SAFETY FIELD INVESTIGATIONS DCS5581 URGENT – DISTRIBUTE IMMEDIATELY … Read more

Service Update N192287020 Momentary Loss of Park Engagement – 2019-2020 Cadillac CT6

2020 Cadillac CT6

NHTSA ID Number: 10183222 Manufacturer Communication Number: N192287020   Summary Service Update – Certain 2019-2020 model year Cadillac CT6 vehicles equipped with a 10 speed transmission, (RPO MHS or MHW) may have a condition when shifting into park, resulting in a momentary loss of park engagement. If this were to occur, one or more of the following … Read more

Service Update N202309750 Radio Changing Station Tuning – 2020 Chevrolet Malibu & GMC Acadia

2020 Chevrolet Malibu

NHTSA ID Number: 10183223 Manufacturer Communication Number: N202309750   Summary Service Update – Certain 2020 model year Chevrolet Malibu and GMC Acadia vehicles, equipped with an 8″ Diagonal Multi-Color Driver Information Center, (RPO UHS), may change radio stations without customer input. Dealers will reprogram the instrument panel cluster (IPC) with SPS and USB.     SEOCONTENT-START GLOBAL … Read more

Service Update N202293610 Electronic Transmission Range Select Mode Valve Stuck – 2019 Cadillac CT6

2019 Cadillac CT6

NHTSA ID Number: 10183224 Manufacturer Communication Number: N202293610   Summary Service Update – certain vehicles vehicles may have a condition which can cause the transmission auxiliary pump to stay on when DTC P18AA is set at engine off. Dealers are to reprogram the transmission control module.     SEOCONTENT-START Service Update N202293610 Electronic Transmission Range Select Mode … Read more