Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1814 Diagnostic Trouble Code (2 interpretations)

2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:NissanVAG

Nissan

1 interpretation
P1814
Wait Detection Switch Nissan · engine Data confidence 62%

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.

VAG

1 interpretation
P1814
Pressure Control Valve 1 (N215): Open/Short to Ground VAG · engine Data confidence 84%

The 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
Applies to Volkswagen

Related and nearby codes

How to read P1814

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

814

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

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database