GM Service Manual Online
For 1990-2009 cars only
Table 1: DTC List 3.8L, L36
Table 2: DTC List 5.7L, LS1

DTC List 3.8L, L36

DTC

Diagnostic Procedure

Module(s)

P0480

DTC P0480

PCM

P0481

DTC P0481

PCM

DTC List 5.7L, LS1

DTC

Diagnostic Procedure

Module(s)

P0480

DTC P0480

PCM

P0481

DTC P0481

PCM

P1258

DTC P1258

PCM