Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# PIT-4874.
CHEVROLET/CADILLAC/GMC: SIR MIL WITH DTC B0081. CAN BE SET IN THE SDM AND PPS. IN MOST CASES, THIS DTC WILL SET DUE TO A COMMUNICATION FAULT AND DOES NOT ALWAYS REQUIRE A MODULE REPLACEMENT. INSPECT THE PPS AND SDM POWERS, GROUNDS, AND COMMUNICATION CIRCUITS AT ALL: IN LINE CONNECTORS, PPS CONNECTOR, SDM CONNECTOR AND SPLICE PACKS FOR BEING FULLY SEATED, BACKED OUT TERMINALS, AND PROPER TERMINAL TENSION USING THE CORRECT TEST PROBES. *PE
