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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P157A or P16D7-P16D9 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P157A 

Control module K20 detects: Serial Data Activity@After ignition Off - For greater than 2 s

P16D7, P16D8, P16D9 

Control circuit terminal 64 X1@K20 Engine Control Module = Commanded state does not match the actual state - For greater than 2 s

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