02251

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Table Of Contents

1. 02251 - Heater Unit Locked
- 1.1.1 02251 - Heater Unit Locked
  - 1.1.1.2 Possible Symptoms
  - 1.1.2.2 Possible Causes
  - 1.1.3.2 Possible Solutions

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.

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