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October 2, 2001 Service bulletin

Information regarding engine soon lamp being illuminated for diagnostic trouble CODE,P0014, P1683 or P0116...

Chevrolet technical service bulletin 021001 for 2002 Chevrolet Trailblazer, 2002 GMC Envoy and 2002 Oldsmobile Bravada.

Bulletin number
021001
Component
Electrical system: ignition: module
Summary
Information regarding engine soon lamp being illuminated for diagnostic trouble code,p0014, p1683 or p0116 a delayed transmission downshift and/or excessive fan noise. Yh

Owners of these vehicles have filed 298 complaints in the electrical category.

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