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Trailblazers and Envoys Offroad

Engine and Transmission Diagnostic Sheets

Below are trouble code diagnostic sheets for the TrailBlazer, Envoy, Rainier, Bravada, Ascender, and Saab 9-7 based on specific engines and model years.

Year Engine Transmission
LL8
4.2L I6
LM4 / LH6
5.3L V8
LS2
6.0L V8
(SS)
LL8
4.2L I6
LM4 / LH6
5.3L V8
LS2
6.0L V8
(SS)
2002 PDF PDF
2003 PDF PDF PDF PDF
2004 PDF PDF PDF PDF
2005 PDF PDF PDF PDF PDF
2006 PDF PDF PDF PDF
2007 PDF PDF PDF PDF
2008 PDF PDF PDF PDF
2009 PDF PDF