P0299 - Turbocharger/Supercharger A UNDERBOOST Condition
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P0299 - TURBOCHARGER/SUPERCHARGER A UNDERBOOST CONDITION
| Description: This DTC sets when the actual throttle intake pressure is less than the desired throttle intake pressure by 27.6 kPa (4 psi) or more for 5 seconds. A minimum TCBP PID reading during engine operation indicates an underboost condition. | |||
Possible Causes:
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| Diagnostic Aids:
Check tubing for obstructions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HN: TURBOCHARGER SYSTEM . | ||