02443

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Contents

02443 - Control Head

02443 - Control Head: Implausible Signal

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

Possible Causes

  • When found in VW Passat (3C):
    • Wiring and/or Connector(s) from/to Button for Electro Mechanical Parking Brake (E538) faulty
    • Button for Electro Mechanical Parking Brake (E538) jammed/faulty

Possible Solutions

  • When found in VW Passat (3C):
    • Check Meas. Value Blocks (MVBs) for switch status information:
      • EPB Gen. 2 uses MVB 002.2
      • EPB Gen. 3 and Gen. 4 use MVB 007.1
    • Check Wiring and/or Connector(s) from/to Button for Electro Mechanical Parking Brake (E538)
    • Check/Replace Button for Electro Mechanical Parking Brake (E538)

Special Notes

  • When found in VW Passat (3C):
    • Check Technical Product Information (TPI) 2016824. 2016824 states to disconnect battery for at least 10 seconds, reconnect battery, and turn ignition on, step on brake pedal then operate parking brake for 2 cycles. Recheck DTCs and clear.
    • Check Technical Product Information (TPI) 2017924 / TSB 46-08-04 for updated EPB (Electronic Parking Brake) Generation II (MY 2006-2007) switch. The switch was updated prior to Generation III vehicle production and should not affect MY 2008 or newer.



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