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TuningBot DTC Database · v4.37.14

P1466 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainClimate_controlOBD2
Brand pages:FordMINIVAG

Ford

1 interpretation
P1466
A/C Refrigerant Temperature Sensor/Circuit Malfunction Ford · climate_control Data confidence 80%

The control module detected improper operation of the A/C Refrigerant Temperature Sensor/ circuit. This is the manufacturer-specific definition used by Ford.

MINI

1 interpretation
P1466
Heated Catalyst Power Switch Temperature Sensor Plausibility MINI · emissions Data confidence 62%

The control module detected that related sensor signals for Heated Catalyst Power Switch Temperature did not agree with each other (correlation/plausibility fault). This is the manufacturer-specific definition used by MINI.

VAG

2 interpretations
P1466
Additive Pump Open/Short to Ground VAG · engine Data confidence 62%

The control module detected a short circuit to ground in the Additive Pump Open/ circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open/short to ground
  • fuel additive pump
  • ECM

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Audi
P1466
Additive Pump Open/Short to Ground VAG · engine Data confidence 80%

The control module detected a short circuit to ground in the Additive Pump Open/ circuit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1466

P

Powertrain: engine, transmission and driveline systems.

1

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

466

Specific fault index within the subsystem.

Frequently asked questions about P1466

What does P1466 mean?

Diagnostic Trouble Code (4 interpretations). The control module detected improper operation of the A/C Refrigerant Temperature Sensor/ circuit. This is the manufacturer-specific definition used by Ford.

Is P1466 generic or manufacturer-specific?

P1466 is a manufacturer-specific code. In this database it is documented for: Ford, MINI, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1466 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

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