Pressure Too High. Permanent/Intermittent Fault

Pressure too high. Permanent/Intermittent fault

Checking the hoses and turbocharger (TC) control valve
Check that the hoses between the intake manifold, pressure regulator and turbocharger (TC) control valve are not trapped, blocked or damaged.
Check the turbocharger (TC) control valve by activating it.
Check the alignment of the boost pressure control (BPC) valve pressure servo and the boost pressure control (BPC) valve and that they are functioning correctly and not sticking according to Wastegate valve, adjusting, B5234T9, B5244T7 Adjustments.

Other information:
- To access the turbocharger (TC) control valve, see Replacing the turbocharger (TC) control valve, B5234T9, B5244T7 Replacing the Turbocharger (TC) Control Valve.






Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off.
- Reinstall connectors, components etc.
- Disconnect the VCT 2000 from the data link connector (DLC).
- Test drive the car and check that high boost pressure is obtained.
- Connect the VCT 2000 to the data link connector (DLC).

Note! Do not switch off the ignition before the VCT 2000 has been connected and the boost pressure has been tested with the smart tool.

Read off the boost pressure fault status
When the boost pressure has been tested the display should show that the diagnostic is complete.









Is the fault status display as not found ?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the hoses and turbocharger (TC) control valve

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