DTC P0299: Turbocharger/Supercharger A UNDERBOOST Condition
P0299 - TURBOCHARGER/SUPERCHARGER A UNDERBOOST CONDITION
| Description: | The powertrain control module (PCM) continuously monitors the turbocharger system for an underboost condition. The PCM checks for a minimum throttle intake pressure (TIP) PID reading during engine operation, which indicates an underboost condition. This DTC sets when the PCM detects that the actual throttle intake pressure is less than the desired throttle intake pressure by 27.6 kPa (4 psi) or more for 5 seconds. |
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| 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 . | ||