The control module detected that the signal in the Torque Converter Clutch Stator Temperature Switch circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1874 Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
VAG
1 interpretationThe control module detected a short circuit to battery voltage in the Valve for Torque Support Mount circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18282. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Possible causes
- Valve for Torque Support Mount faulty
- Wiring/Connectors from/to Valve for Torque Support Mount faulty
Recommended checks
- Check Valve for Torque Support Mount
- Check Wiring/Connectors from/to Valve for Torque Support Mount
Related and nearby codes
How to read P1874
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 P1874
What does P1874 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected that the signal in the Torque Converter Clutch Stator Temperature Switch circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
Is P1874 generic or manufacturer-specific?
P1874 is a manufacturer-specific code. In this database it is documented for: Chevrolet, VAG. The same number can mean something different on other brands.
Can TuningBot remove P1874 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
