Chevrolet TSB #09-06-04-026G
2012 Chevrolet Silverado 2500
Affected Component: POWER TRAIN
- Summary
- This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS 2)