The control module detected that the Engine Torque signal stayed above the expected range. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1894 Chevrolet - Engine Torque Signal High Voltage
Manufacturer-specific interpretation for Chevrolet. All interpretations of P1894
What P1894 means
Related and nearby codes
How to read P1894
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 P1894
What does P1894 mean?
Engine Torque Signal High Voltage. The control module detected that the Engine Torque signal stayed above the expected range. This is the manufacturer-specific definition used by Chevrolet.
Is P1894 generic or manufacturer-specific?
P1894 is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.
Can TuningBot remove P1894 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
