The control module detected improper operation of the A/C Refrigerant Temperature Sensor/ circuit. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.14
P1466 Diagnostic Trouble Code (4 interpretations)
4 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
Ford
1 interpretation
MINI
1 interpretationThe 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 interpretationsThe 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
The control module detected a short circuit to ground in the Additive Pump Open/ circuit. This is the manufacturer-specific definition used by Volkswagen.
Related and nearby codes
How to read P1466
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
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
Understand the system behind this code: Oxygen Sensors (Lambda)
