Chevrolet Avalanche 1500 2005–2008 — technical service bulletin
Bulletin SB-07-06-04-019A · NHTSA communication 10028831 · issued Jun 1, 2015
Technical service bulletin
communication type
Electrical System
component
2005–2008
model years
60
vehicle entries
Official summary
General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks (incl. Saturns). *pe updated 11/5/10. *pe updated 4/4/11. *pe updated 2/3/16. *pe
Vehicles covered
- 2005 Chevrolet Avalanche 1500
- 2006 Chevrolet Avalanche 1500
- 2007 GMC Acadia
- 2008 GMC Acadia
- 2008 GMC C4500
- 2006 GMC C5500
- 2008 GMC C5500
- 2005 GMC Canyon
- 2006 GMC Canyon
- 2007 GMC Canyon
- 2008 GMC Canyon
- 2005 GMC Envoy
- 2006 GMC Envoy
- 2008 GMC Envoy
- 2005 GMC Envoy 360
- 2006 GMC Envoy 360
- 2007 GMC Envoy 360
- 2008 GMC Envoy 360
- 2006 GMC Envoy Denali
- 2006 GMC Envoy Denali XL
- 2006 GMC Envoy XL
- 2005 GMC Envoy XL 370
- 2006 GMC Envoy XL 370
- 2005 GMC Envoy Xuv
- 2005 GMC Jimmy Classic
- 2005 GMC Safari
- 2005 GMC Safari (gmc)
- 2005 GMC Savana
- 2006 GMC Savana
- 2007 GMC Savana
- 2008 GMC Savana
- 2005 GMC Savana 1500
- 2006 GMC Savana 1500
- 2007 GMC Savana 1500
- 2008 GMC Savana 1500
- 2005 GMC Savana 2500
- 2006 GMC Savana 2500
- 2007 GMC Savana 2500
- 2008 GMC Savana 2500
- 2005 GMC Savana 3500
- 2006 GMC Savana 3500
- 2007 GMC Savana 3500
- 2008 GMC Savana 3500
- 2006 GMC Savanna
- 2005 GMC Sierra
- 2006 GMC Sierra
- 2007 GMC Sierra
- 2008 GMC Sierra
- 2005 GMC Sierra 1500
- 2006 GMC Sierra 1500
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2005 GMC Sierra 1500 HD
- 2005 GMC Sierra 2500
- 2006 GMC Sierra 2500
- 2007 GMC Sierra 2500
- 2008 GMC Sierra 2500
- 2005 GMC Sierra 3500
- 2006 GMC Sierra 3500
- 2007 GMC Sierra 3500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.