01420

From Ross-Tech Wiki

01420 - High Pressure Switch Valve 1 for Electronic Stability Program (N227)

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

Possible Causes

  • Fuse(s) faulty
  • Wiring and/or Connector(s) from/to Brake Electronics (J104) faulty
    • Wiring and/or Connector(s) from/to Valve Power Supply faulty
  • Brake Electronics (J104) faulty

Possible Solutions

  • Check Fuse(s)
  • Check Wiring and/or Connector(s) from/to Brake Electronics (J104)
    • Check Wiring and/or Connector(s) from/to Valve Power Supply
  • Check/Replace Brake Electronics (J104)
    • Perform Output Test