TuningBot DTC Database · v4.37.15
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
FordThe control module detected an interruption (open circuit) in the Transmission Transfer Case Contact Plate 'D' circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Ford.
MitsubishiThe control module detected a fault associated with the Disengagement Too Late With Clutch 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 Mitsubishi.
VAGThe control module registered the fault condition described as "Brake Switch Circuit Error Message From Engine Control". 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 an interruption (open circuit) in the Transmission Transfer Case Contact Plate 'D' circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Ford.
P1859 is a manufacturer-specific code. In this database it is documented for: Ford, Mitsubishi, 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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