17970/P1562/005474

From Ross-Tech Wiki

17970/P1562/005474 - Quantity Adjuster (N146): Upper Limit Reached

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
  • Reduced Power
  • Engine jerking

Possible Causes

  • Fuse(s) faulty
  • Wiring and/or Connector(s) from/to Quantity Adjuster (N146) faulty
  • Quantity Adjuster (N146) not adjusted
  • Quantity Adjuster (N146) blocked/faulty

Possible Solutions

  • Check Fuse(s)
  • Check Wiring and/or Connector(s) from/to Quantity Adjuster (N146)
  • Check/Adjust Quantity Adjuster (N146)
  • Check/Replace Injection Pump

Notes

  • On the 1.9L ALH TDI engine:
    • The Quantity Adjuster (N146) should ohm test between 0.5 and 2.5 Ω.
    • With the coolant above 85° C, MVB 001, Field 3 should read between 1.45 to 2.0 Volts.