P1592 OBD Code Definition:
P1592 Neutral position switch circuit (MT model)
P1592 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) active
• Limp Mode active

Possible Causes

• Ground Spots corroded
• Wiring from/to Boost Pressure Sensor  faulty
• Boost Pressure Sensor  faulty

Possible Solutions

• Check/Clean Ground Spots
• Check/Replace Wiring from/to Boost Pressure Sensor
• Check/Replace Boost Pressure Sensor

Special Notes

• When found in 2.0l TDI-PPD, check for matching TSB/TP.
  • Check/Clean Ground Spots
  • Check/Replace Wiring Harness for Boost Pressure Sensor  and Intakt Air Temperature Sensor
  • Check/Update Engine Control Module Software/Firmware