The control module detected that the signal in the A/C Refrigerant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.14
P1434 Ford - A/C Refrigerant Temperature Circuit High
Manufacturer-specific interpretation for Ford. All interpretations of P1434
What P1434 means
Related and nearby codes
How to read P1434
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 P1434
What does P1434 mean?
A/C Refrigerant Temperature Circuit High. The control module detected that the signal in the A/C Refrigerant Temperature circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
Is P1434 generic or manufacturer-specific?
P1434 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
Can TuningBot remove P1434 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: Diagnostic Strategy and DTC Logic
