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TuningBot DTC Database · v4.38.5

02251 Heater Unit Locked

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

OEM
Brand pages:VAG

VAG

1 interpretation
02251
Heater Unit Locked VAG · unknown Data confidence 80%

The control module detected a fault associated with the Heater Unit Locked 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).

Symptoms

  • Heater not working
  • Heater Module refuses to clear Fault Codes

Possible causes

Fuel Level low

Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 02251

What does 02251 mean?

Heater Unit Locked. The control module detected a fault associated with the Heater Unit Locked 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 02251 generic or manufacturer-specific?

02251 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 02251 at file level?

Not guaranteed. 02251 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 02251 is removable in your case.

Other file services

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

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