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TuningBot DTC Database · v4.37.14

P1815 Diagnostic Trouble Code (6 interpretations)

6 manufacturer-specific interpretations across 6 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:FordHyundaiLexusNissanToyotaVAG

Ford

1 interpretation
P1815
Transmission 4 - Wheel Drive Mode Select Short Circuit To Ground Ford · engine Data confidence 80%

The control module detected a short circuit to ground in the Transmission 4 - Wheel Drive Mode Select circuit. This is the manufacturer-specific definition used by Ford.

Hyundai

1 interpretation
P1815
ESP(TCS) Auto Recognition Error Hyundai · engine Data confidence 62%

The control module registered the fault condition described as "ESP(TCS) Auto Recognition Error". This is the manufacturer-specific definition used by Hyundai.

Lexus

1 interpretation
P1815
Shift control solenoid - malfunction Lexus · engine Data confidence 62%

The control module detected improper operation of the Shift control solenoid. This is the manufacturer-specific definition used by Lexus.

Possible causes

  • Wiring
  • shift control solenoid
  • ECM

Nissan

1 interpretation
P1815
Manual Mode Switch Nissan · engine Data confidence 62%

The control module detected a fault associated with the Manual Mode 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.

Toyota

1 interpretation
P1815
Shift control solenoid - malfunction Toyota · engine Data confidence 62%

The control module detected improper operation of the Shift control solenoid. This is the manufacturer-specific definition used by Toyota.

Possible causes

  • Wiring
  • shift control solenoid
  • ECM

VAG

1 interpretation
P1815
Pressure Control Valve 1 (N215): Short to Plus VAG · engine Data confidence 80%

The control module detected a short circuit to battery voltage in the Pressure Control Valve 1 (N215) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18223. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Wiring from/to Pressure Control Valve 1 (N215) Short to Plus
  • 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

P18 range
P1800P1801P1802P1803P1804P1805P1806P1807P1808P1809P1810P1811P1812P1813P1814P1816P1817P1818

How to read P1815

P

Powertrain: engine, transmission and driveline systems.

1

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

815

Specific fault index within the subsystem.

Frequently asked questions about P1815

What does P1815 mean?

Diagnostic Trouble Code (6 interpretations). The control module detected a short circuit to ground in the Transmission 4 - Wheel Drive Mode Select circuit. This is the manufacturer-specific definition used by Ford.

Is P1815 generic or manufacturer-specific?

P1815 is a manufacturer-specific code. In this database it is documented for: Ford, Hyundai, Lexus, Nissan, Toyota, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1815 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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Understand the system behind this code: Diagnostic Strategy and DTC Logic

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