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1999 Chevrolet Astro 4.3L Electronic
Posted to GM Transmission on 1/21/2009 4 Replies

This van has a code C0310 encoder motor A/B circuit open. The service AWD light comes and goes. I have replaced the encoder motor with no change. When the light is on and I clear the code I hear what sounds like a relay clicking inside the automatic tranfer ca...

Summary posted 2/16/2009

4 Replies Received (View Replies)

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1999 Chevrolet Astro

Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)