The control module detected a fault associated with the Wait Detection Switch 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
P1814 Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
Nissan
1 interpretation
VAG
1 interpretationThe control module detected a short circuit to ground in the Pressure Control Valve 1 (N215): Open/ circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18222. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Possible causes
- Wiring from/to Pressure Control Valve 1 (N215) Open/Short to Ground
- Pressure Control Valve 1 (N215) faulty
Recommended checks
- Check Wiring from/to Pressure Control Valve 1 (N215)
- Check Pressure Control Valve 1 (N215)
- Check Measuring Blocks
Related and nearby codes
How to read P1814
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 P1814
What does P1814 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected a fault associated with the Wait Detection Switch 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 P1814 generic or manufacturer-specific?
P1814 is a manufacturer-specific code. In this database it is documented for: Nissan, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1814 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
