2002 Chevy Avalanche service 4 wheel light is on and gear c

2002 CHEVROLET AVALANCHE
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GEMPLERD
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  • 1 POST
Transmission problem
2002 Chevy Avalanche V8 Four Wheel Drive Automatic 125k miles

125,230
Mar 8, 2010 at 6:25 AM
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2CARPRO JACK
  • ✓Experienced Mechanic
  • 11,533 POSTS
You will have to find a shop that can scan the Drivetrain for codes.The light is letting you know the PCM (computer) sees an issue with something in the drivetrain,so it may shut down other systems
Mar 8, 2010 at 11:48 PM
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