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TuningBot DTC Database · v4.37.14

P1951 Diagnostic Trouble Code (2 interpretations)

2 manufacturer-specific interpretations across 1 manufacturer in the TuningBot DTC database.

P · PowertrainThermal_managementOBD2
Brand pages:VAG

VAG

2 interpretations
P1951
Radiator Fan 2 Movement Restricted / Jammed VAG · thermal_management Data confidence 62%

The control module detected a response consistent with a blocked or restricted Radiator Fan 2 Movement. This is the manufacturer-specific definition used by Audi.

Applies to Audi
P1951
Radiator Fan 2 (V177): Movement Restricted / Jammed VAG · thermal_management Data confidence 84%

The control module detected a response consistent with a blocked or restricted Radiator Fan 2 (V177): Movement. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18359. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

Coolant Fan 2 (V177) restricted/jammed

Recommended checks

Check Coolant Fan 2 (V177) for Restriction/Blockade

Applies to Volkswagen

Related and nearby codes

How to read P1951

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

951

Specific fault index within the subsystem.

Frequently asked questions about P1951

What does P1951 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a response consistent with a blocked or restricted Radiator Fan 2 Movement. This is the manufacturer-specific definition used by Audi.

Is P1951 generic or manufacturer-specific?

P1951 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 P1951 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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

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