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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P0016 - P049D)) >> Diagnostic Information And Procedures >> DTC P0263, P0266, P0269, Or P0272: Cylinder 1-4 Balance System >> Diagnostic Aids

Diagnostic Aids

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During cold ambient temperatures, condensation can occur causing water/ice to collect inside the charge air cooler tube resulting in poor combustion and possible engine stall. As a result of poor combustion, this DTC may set. Check CAC inlet tubes for water/ice blockage.

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