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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 169 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P018B-P018D >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit  Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P018C, P0192, P0532, P0641, P2228 P018C P018D, P0193, P0523, P0641, P2227* P018B
Signal P018C P018C P018D* P018B
Low Reference - P018D * P018B
*Internal control module or component damage may occur if the circuit shorts to B+.
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