- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 4 days ago
- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 24 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 62 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 68 days ago
- February 22: Chevy Silverado Crushed Roof Lawsuit Moves Forward news | 79 days ago
Chevrolet TSB #PIP5110C
2012 Chevrolet Silverado 2500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxygen sensor. If a leak is found or there is an aftermarket utility bed or trailer hitch installed. Check for a minimum clearance of 1.5 to 2 inches of the exhaust system. Install a new clamp and torque it to 40.5 foot pounds.
Click a tab for more information.