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Sierra 1500 Denali, RWD
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DTC B101D (HP2 Air Conditioning Control Module)
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Circuit/System Verification
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Circuit/System Verification
Verify that DTC B101D is not set.
If the DTC is set, reprogram the control module with the most current software. If the DTC resets, replace the control module that set the DTC.