The control module detected improper operation of the Power Steering Pressure Switch Input. This is the manufacturer-specific definition used by Ford.
Possible causes
- Wiring
- vehicle towed with engine running
- PSP switch
- OTC not erased
- ECM
TuningBot DTC Database · v4.37.15
5 manufacturer-specific interpretations across 5 manufacturers in the TuningBot DTC database.
The control module detected improper operation of the Power Steering Pressure Switch Input. This is the manufacturer-specific definition used by Ford.
The control module detected improper operation of the Power steering pressure (PSP) switch circuit. This is the manufacturer-specific definition used by Land Rover.
The control module detected improper operation of the Power steering pressure (PSP) switch - input. This is the manufacturer-specific definition used by Mazda.
The control module detected improper operation of the Fuel injection pump control module, CAN data bus. This is the manufacturer-specific definition used by Opel.
The control module did not receive the expected Data Bus Powertrain signal. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (5 interpretations). The control module detected improper operation of the Power Steering Pressure Switch Input. This is the manufacturer-specific definition used by Ford.
P1651 is a manufacturer-specific code. In this database it is documented for: Ford, Land Rover, Mazda, Opel, VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic