TuningBot DTC Database · v4.37.15
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
JaguarThe control module detected improper operation of the CAN TCM INST circuit. This is the manufacturer-specific definition used by Jaguar.
NissanThe control module detected improper operation of the Coolant Temperature circuit. This is the manufacturer-specific definition used by Nissan.
VAGThe control module judged the Output Speed Sensor 2 signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Diagnostic Trouble Code (3 interpretations). The control module detected improper operation of the CAN TCM INST circuit. This is the manufacturer-specific definition used by Jaguar.
P1798 is a manufacturer-specific code. In this database it is documented for: Jaguar, Nissan, VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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