TuningBot DTC Database · v4.37.15
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
ChevroletThe control module detected that the signal in the Internal Mode Switch 'S' circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
NissanThe control module detected a fault associated with the Automatic Transmission Fluid Pressure Switch 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.
VAGThe control module detected a fault associated with the Engine Control Module / Transmission Control Module Incompatible circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18249. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
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 that the signal in the Internal Mode Switch 'S' circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
P1841 is a manufacturer-specific code. In this database it is documented for: Chevrolet, 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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