The control module detected that the signal in the Fuel Additive Pump Control circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.15
P1934 Diagnostic Trouble Code (3 interpretations)
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
Ford
1 interpretation
Mazda
1 interpretationThe control module detected that the signal in the Fuel Additive Pump Control circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Mazda.
Volvo
1 interpretationThe control module judged the Vehicle speed sensor (VSS) signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volvo.
Possible causes
- ABS trouble code(s) stored
- CAN data bus
- VSS
- ABS control module
- ECM
Related and nearby codes
How to read P1934
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 P1934
What does P1934 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected that the signal in the Fuel Additive Pump Control circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
Is P1934 generic or manufacturer-specific?
P1934 is a manufacturer-specific code. In this database it is documented for: Ford, Mazda, Volvo. The same number can mean something different on other brands.
Can TuningBot remove P1934 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. 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
