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TuningBot DTC Database · v4.37.15

00445 Loss of Refrigerant

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

Climate_controlOEM
Brand pages:VAG

VAG

1 interpretation
00445
Loss of Refrigerant VAG · climate_control Data confidence 80%

The control module detected a fault associated with the Loss of Refrigerant circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Refrigerant Loss Signal due to Leak or Sensor Failure
  • Wiring/Connectors from/to Control Module
  • Heating/Air Conditioning Control Module Coding Incorrect

Recommended checks

  • Check Refrigerant Level and Sensor(s)
  • Check Measuring Value Blocks (MVB)
  • Check Wiring/Connectors from/to Control Module
  • Check Heating/Air Conditioning Module Coding
Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 00445

What does 00445 mean?

Loss of Refrigerant. The control module detected a fault associated with the Loss of Refrigerant circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Is 00445 generic or manufacturer-specific?

00445 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove 00445 at file level?

Not guaranteed. 00445 is a manufacturer-specific code in an OEM format, so removability depends on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether 00445 is removable in your case.

Other file services

ECU tuningStage 1 dyno results for VAG engines See the results →

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