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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P018B-P018D >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
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 P018D P018B
*Internal control module or component damage may occur if the circuit shorts to B+.
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