00445: Difference between revisions
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1.
00445 - Loss of Refrigerant
- 1.1.1 Possible Causes
- 1.2.1 Possible Solutions
- 1.3.1 Special Notes
Created page with '__FORCETOC__ == 00445 - Loss of Refrigerant == ==== Possible Causes ==== * Refrigerant Loss signal due to Leak or Sensor Failure * Wiring/Connectors from/to Control Module * H…' |
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==== Possible Causes ==== | ==== Possible Causes ==== | ||
* Refrigerant Loss | * Refrigerant Loss Signal due to Leak or Sensor Failure | ||
** Refrigerant Temperature Sensor (G454) Faulty or Removed | |||
* Wiring/Connectors from/to Control Module | * Wiring/Connectors from/to Control Module | ||
* | * Heating/Air Conditioning Control Module Coding Incorrect | ||
==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
* Check Refrigerant Level and Sensor(s) | * Check Refrigerant Level and Sensor(s) | ||
** Remove/Disable Refrigerant Temperature Sensor (G454) per TSB/TPI (See Special Notes below) | |||
* Check Measuring Value Blocks (MVB) | * Check Measuring Value Blocks (MVB) | ||
* Check Wiring/Connectors from/to Control Module | * Check Wiring/Connectors from/to Control Module | ||
* Check | * Check Heating/Air Conditioning Module Coding | ||
==== Special Notes ==== | ==== Special Notes ==== | ||
* When found in the [[VW Touareg (7L)] | * When found in [[VW Transporter (7H/7J)]] - Heating/Air Conditioning, check Coding as per TPI 2012743. | ||
* When found in the [[VW Touareg (7L)]] - [[VW Touareg (7L) Heating/Air Conditioning | Heating/Air Conditioning]], check Coding as per TSB 87-07-15 or 2015947. | |||
[[Category:Fault Codes]] | [[Category:Fault Codes]] | ||
Latest revision as of 19:35, 18 November 2025
00445 - Loss of Refrigerant
Possible Causes
- Refrigerant Loss Signal due to Leak or Sensor Failure
- Refrigerant Temperature Sensor (G454) Faulty or Removed
- Wiring/Connectors from/to Control Module
- Heating/Air Conditioning Control Module Coding Incorrect
Possible Solutions
- Check Refrigerant Level and Sensor(s)
- Remove/Disable Refrigerant Temperature Sensor (G454) per TSB/TPI (See Special Notes below)
- Check Measuring Value Blocks (MVB)
- Check Wiring/Connectors from/to Control Module
- Check Heating/Air Conditioning Module Coding
Special Notes
- When found in VW Transporter (7H/7J) - Heating/Air Conditioning, check Coding as per TPI 2012743.
- When found in the VW Touareg (7L) - Heating/Air Conditioning, check Coding as per TSB 87-07-15 or 2015947.