- 2013 Single-source
added on 1SL AWD for 2013 (GM Authority 2013 changes); single-source for 2013: GM Authority 2013 changes does not credit GM
PDB Single-source
Also documented for CadillacChevroletGMC
Documented applications
This page aggregates every documented appearance of PDB in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.