P0299 - Turbocharger/Supercharger A UNDERBOOST Condition - DTC Chart

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P0299 - TURBOCHARGER/SUPERCHARGER A UNDERBOOST CONDITION - DTC CHART

Description: This DTC sets when the actual TCBP value is less than the desired TCBP value by 27.6 kPa (4 psi) or more for 5 seconds, indicating an under boost condition.
Possible Causes: Damaged turbocharger (TC) wastegate regulating valve solenoid TC wastegate regulating solenoid valve stuck Wastegate stuck open Wastegate control hose open or plugged Air leak between turbocharger and throttle
Diagnostic Aids: Check tubing for restrictions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test HN .