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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Vehicle Access System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P257D-P257F >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

P257D 

4063 = Signal circuit voltage is not within the expected high and low voltage values - For greater than 60 s

P257E 

4063 = Short to Ground - For greater than 60 s.

P257F 

4063 = Open/High Resistance or Short to Voltage - For greater than 60 s

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