TuningBot DTC Database · v4.37.15
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
BMWThe control module detected a fault associated with the ECM self - test - torque monitoring circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
VAGThe control module registered the fault condition described as "Control Unit Error Programming". 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 (2 interpretations). The control module detected a fault associated with the ECM self - test - torque monitoring circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.
P1686 is a manufacturer-specific code. In this database it is documented for: BMW, 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: Torque Monitoring
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