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-4643.
GMC/CHEVROLET: THE SPEEDOMETER IS INOPERATIVE, ABS LAMP MAY BE ON AND IF EQUIPPED THE TRANSFER CASE MAY NOT SHIFT OR MAKE RANDOM PHANTOM SHIFTS. MODELS INCLUDE THE KODIAK AND TOPKICK 4500/5500 SERIES. *PE
