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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P143C, P20C1-P20C4, P221E, or P221F >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P143C 

Control Circuit Shorted to Control Circuit - For greater than 12 s

P20C1 

Control Circuit = Open - For greater than 1 s

P20C2, P221F 

Control Circuit = High Current - For greater than 10 s

P20C3 

Control Circuit = Short to Ground - For greater than 1 s

P20C4 

Control Circuit = Short to Voltage - For greater than 1 s

P221E 

Control Circuit = Low Current - For greater than 4 s

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