- May 22: GM Duramax Diesel Lawsuit Awaiting Appeals Court Decision news | 12 days ago
- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 27 days ago
- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 47 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 85 days ago
Chevrolet TSB #21NA169
2020 Chevrolet Blazer
TSB Document:
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.
Click a tab for more information.