- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 6 days ago
- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 26 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 64 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 70 days ago
- February 22: Chevy Silverado Crushed Roof Lawsuit Moves Forward news | 81 days ago
Chevrolet TSB #14876
2015 Chevrolet Silverado 3500
TSB Document:
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- 14876 - SERVICE UPDATE. ON CERTAIN VEHICLES EQUIPPED WITH 8-SPEED AUTOMATIC TRANSMISSION (M5U), THE CUSTOMER MAY COMPLAIN ABOUT HARSH SHIFTING. THIS CAN OCCUR IF THE VEHICLE EXPERIENCED MULTIPLE TRANSMISSION REPROGRAMMING EVENTS DURING MANUFACTURING, CAUSING THE CALIBRATION TO OVER-ADJUST THE SHIFT PARAMETERS. THIS BULLETIN PROVIDES A SERVICE ADAPTIVE LEARN PROCEDURE THAT SHOULD BE RUN TO RESET THE CALIBRATION TO THE BASELINE PARAMETERS.
Click a tab for more information.