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2009
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HHR SS, Standard
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 9 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P2764)
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DTC P0976 or P0977
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Action Taken When the DTC Sets
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P0977
Action Taken When the DTC Sets: P0977
WARNING:
This page is about a different variant/trim than selected.
DTC P0977 is a Type A DTC.
The TCM inhibits 4th gear.
The TCM commands maximum line pressure.
The TCM freezes transmission adaptive functions.