The control module detected that the signal in the Torque Converter Clutch Stator Temperature Switch circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1873 Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
Chevrolet
1 interpretation
Honda
1 interpretationThe control module detected a fault associated with the CVT - poor acceleration 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
- PH - PL control linear solenoid
- TCM
Related and nearby codes
How to read P1873
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 P1873
What does P1873 mean?
Diagnostic Trouble Code (2 interpretations). The control module detected that the signal in the Torque Converter Clutch Stator Temperature Switch circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
Is P1873 generic or manufacturer-specific?
P1873 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Honda. The same number can mean something different on other brands.
Can TuningBot remove P1873 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
