Checking Components And Wiring

Check the boost pressure sensor connector. Check for contact resistance and oxidation.
HINT: The diagnostic trouble code (DTC) may be caused by a damaged boost pressure sensor.

Remedy as necessary.

Other information:
- For B5xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
- For B6xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
- see CHECKING WIRING AND TERMINALS
Fig 1: Identifying 4-Bit Connector
Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Boost Pressure Sensor
Courtesy of VOLVO CARS CORPORATION

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Refer to VERIFICATION