Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# PI1108A.
Performance Traction Management (PTM) Feature Does Not Function or Unable to Activate
Some customers may comment that the vehicles Performance Traction Management (PTM) feature does not function or that they cannot activate the feature.
