2002 PONTIAC MONTANA AWD DISABLED

  • Tiny
  • mrfuser
  • 2002 Pontiac Montana
  • 6 CYL
  • AWD
  • automatic
  • 154,000 miles

Why is the AWD DISABLED light on.
Have tried thus far to Flush and refilled rear differential. Checked differential clutch valve and harness for corosion/breakage/foreign objects.

ONLY: AWD DISABLED light is on. No codes(dtc) advanced or otherwise showing. Scanned with abs code reader also and no codes.

All fuses okay.

Monday, July 11th, 2011 AT 1:58 AM

4 Answers

  • Tiny
  • PROTECH1980
  • Expert
  • 928 posts

As long as there are no abs codes stored, (even history codes, which will disable system) the most likely problem will probaly be that differential clutch pump actuator check valve.

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Monday, July 11th, 2011 AT 2:33 AM
  • Tiny
  • danbrode
  • Member

I have the same exact problem. Is the rear differential module the same thing you are suggesting? It is basically a solenoid for for $400?
Thanks
Dan

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Monday, October 29th, 2012 AT 9:03 PM
  • Tiny
  • mrfuser
  • Member

Yes, that is the problem. Swapped solenoid and worked fine.

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Monday, October 29th, 2012 AT 9:08 PM
  • Tiny
  • Neimes
  • Member

Where is the silanoid located at. I was told when I got it that
it was AWD was disabled and I dont know what to do to fix it
and where do I start to check if it works or not. I READ
the last responce. Not sure where even the rear diferencial
is.

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Tuesday, October 30th, 2012 AT 8:44 PM

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