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TuningBot DTC Database · v4.37.14

P1794 Diagnostic Trouble Code (6 interpretations)

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

P · PowertrainEngineOBD2
Brand pages:ChryslerDodgeHondaJaguarJeepNissan

Chrysler

1 interpretation
P1794
Transmission speed sensor - ground circuit Chrysler · engine Data confidence 62%

The control module detected improper operation of the Transmission speed sensor - ground circuit. This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Wiring open circuit
  • TCM
  • input shaft speed (ISS) sensor
  • output shaft speed (055) sensor

Dodge

1 interpretation
P1794
Transmission speed sensor - ground circuit Dodge · engine Data confidence 62%

The control module detected improper operation of the Transmission speed sensor - ground circuit. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring open circuit
  • TCM
  • input shaft speed (ISS) sensor
  • output shaft speed (055) sensor

Honda

1 interpretation
P1794
Automatic transmission - BARO signal - V6 Honda · engine Data confidence 62%

The control module detected a fault associated with the Automatic transmission - BARO signal - V6 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • ECM
  • TCM

Jaguar

1 interpretation
P1794
Battery Voltage Circuit Jaguar · battery Data confidence 62%

The control module detected improper operation of the Battery Voltage circuit. This is the manufacturer-specific definition used by Jaguar.

Jeep

1 interpretation
P1794
Transmission speed sensor - ground circuit Jeep · engine Data confidence 62%

The control module detected improper operation of the Transmission speed sensor - ground circuit. This is the manufacturer-specific definition used by Jeep.

Possible causes

  • Wiring open circuit
  • TCM
  • input shaft speed (ISS) sensor
  • output shaft speed (055) sensor

Nissan

1 interpretation
P1794
Powertrain Control Module Battery Direct Power Circuit Nissan · engine Data confidence 62%

The control module detected improper operation of the Powertrain Control Module Battery Direct Power circuit. This is the manufacturer-specific definition used by Nissan.

Related and nearby codes

P17 range
P1700P1701P1702P1703P1704P1705P1706P1707P1708P1709P170AP1710P1711P1712P1713P1714P1715P1716

How to read P1794

P

Powertrain: engine, transmission and driveline systems.

1

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

794

Specific fault index within the subsystem.

Frequently asked questions about P1794

What does P1794 mean?

Diagnostic Trouble Code (6 interpretations). The control module detected improper operation of the Transmission speed sensor - ground circuit. This is the manufacturer-specific definition used by Chrysler.

Is P1794 generic or manufacturer-specific?

P1794 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Honda, Jaguar, Jeep, Nissan. The same number can mean something different on other brands.

Can TuningBot remove P1794 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

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

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