The control module did not receive the expected Data Bus Powertrain signal. This is the manufacturer-specific definition used by Volkswagen.
TuningBot DTC Database · v4.37.15
P1864 VAG - Data Bus Powertrain Missing Message From ADR Control Module
Manufacturer-specific interpretation for VAG. All interpretations of P1864
What P1864 means
Related and nearby codes
How to read P1864
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 P1864
What does P1864 mean?
Data Bus Powertrain Missing Message From ADR Control Module. The control module did not receive the expected Data Bus Powertrain signal. This is the manufacturer-specific definition used by Volkswagen.
Is P1864 generic or manufacturer-specific?
P1864 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P1864 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
