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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 4T65-E - DTC PO218 Through DTC P2534) >> DTC P0842 or P0843 >> Conditions for Setting the DTC >> P0843

Conditions for Setting the DTC: P0843

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The TCC release pressure switch is open indication release pressure present for 6 seconds continuous twice during the same ignition cycle.