16621/P0237/000567

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16621/P0237/000567 - Manifold Pressure / Boost Sensor (G31): Signal too Low

Possible Symptoms

  • Malfunction Indicator Lamp (MIL) active

Possible Causes

  • Manifold Pressure / Boost Sensor (G31) Power Supply faulty
  • Manifold Pressure / Boost Sensor (G31) faulty

Possible Solutions

  • Check Manifold Pressure / Boost Sensor (G31) Power Supply
  • Check Manifold Pressure / Boost Sensor (G31)

Special Notes

  • When found in 2.0l TDI-PPD, check for matching TSB/TPI (i.e. VW TPI 2012601 and/or 2026831).
    • Check/Clean Ground Spots
    • Check/Replace Wiring Harness for Boost Pressure Sensor (G31) and Intake Air Temperature Sensor (G42)
    • Check/Update Engine Control Module Software/Firmware
  • When found in the A3 2.0L CR TDI please see TPI # 2020544 which describes intercooler hose failure.
    • Other 2.0L CR TDI vehicles may want to keep an eye on this thread for any feedback:

http://forums.ross-tech.com/showthread.php?1247-10-Jetta-TDI-code-P0237

1.4T Gasoline specific notes
  • When this DTC is stored in North American Region (NAR) vehicles with the 1.4T make sure the software level in the 01-Engine control module is up to date. It may be stored in conjunction with P0106. Internal ref to ST?ID=108190
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