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Thread: chevy error code p1639

  1. #1
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    chevy error code p1639

    I have a 2000 Chevy Silverado 1500 5.3, that is giving off error code p1639 along with or code p0446. any suggestions on fixing this problem?

  2. #2
    Senior Moderator chevychase's Avatar
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    P1369 temp light failure .

  3. #3
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    thanks for chevy, its not p1369, it is p1639!

  4. #4
    Senior Moderator chevychase's Avatar
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    WOOPS A/C refrigerant pressure switch.

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