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GMC TSB #N212328090
2021 GMC Sierra 1500
TSB Document:
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic transmission, (RPO MQE), may have a broken reaction carrier in the transmission. Dealers will replace the transmission.
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