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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 P1820, P1822, P1823, P1825, P1826, or P1915 >> DTC Descriptors

DTC Descriptors

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DTC P1820

Internal Mode Switch A Circuit Low Voltage

DTC P1822

Internal Mode Switch B Circuit High Voltage

DTC P1823

Internal Mode Switch P Circuit Low Voltage

DTC P1825

Internal Mode Switch - Invalid Range

DTC P1826

Internal Mode Switch C Circuit High Voltage

DTC P1915

Internal Mode Switch Does Not Indicate Park/Neutral (P/N) During Start