02251

From Ross-Tech Wiki

02251 - Heater Unit Locked

02251 - Heater Unit Locked

Possible Symptoms

  • Heater not working.
  • Heater module refuses to clear fault codes.

Possible Causes

  • Unknown.

Possible Solutions

  • When found in Aux Heater module of VW Touran (and possibly similar models), unlock heater module by saving a 1 in Adaptation Channel 42, then clear fault codes.