GM Service Manual Online
For 1990-2009 cars only

DTC

8.1L (L18) Gas

6.6L (LLY) Diesel

DTC P0500 (8.1L) or DTC P0500 (6.6L)

B

C

DTC P0833 (8.1L) or DTC P0833 (6.6L)

B

C