The control module detected a fault associated with the Automatic Transmission Fluid Pressure Switch 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.
TuningBot DTC Database · v4.37.15
P1843 Nissan - Automatic Transmission Fluid Pressure Switch 3
Manufacturer-specific interpretation for Nissan. All interpretations of P1843
What P1843 means
Related and nearby codes
How to read P1843
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 P1843
What does P1843 mean?
Automatic Transmission Fluid Pressure Switch 3. The control module detected a fault associated with the Automatic Transmission Fluid Pressure Switch 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.
Is P1843 generic or manufacturer-specific?
P1843 is a manufacturer-specific code. In this database it is documented for: Nissan. The same number can mean something different on other brands.
Can TuningBot remove P1843 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
