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# PIP-4817.
CADILLAC/CHEVROLET/GMC: (HYBRID) INFORMATION ON INTERNAL TRANSMISSION WIRING HARNESS REPAIRS. DIAGNOSTICS OF ANY ONE OF OR COMBINATION OF THE DTCS LISTED MAY LEAD TO A INTERNAL TRANSMISSION WIRING HARNESS CONCERN. TRANSMISSIONWIRING HARNESS IS FOUND TO BE ROOT CAUSE OF ANY ONE OF THE LISTED DTCS. DO NOT ATTEMPT TO REPAIR THE INTERNAL TRANSMISSION WIRING HARNESS. *PE
