CAN data bus, instrumentation - incorrect signal
VAG · network
Data confidence62%
The control module detected that the CAN data bus, instrumentation state or value did not match what was expected. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring
instrumentation control module trouble code(s) stored
matching resistor in ECM
Applies toAudi
P1674
CAN data bus, instrumentation - incorrect signal
VAG · network
Data confidence62%
The control module detected that the CAN data bus, instrumentation state or value did not match what was expected. This is the manufacturer-specific definition used by Volkswagen.
Possible causes
Wiring
instrumentation control module trouble code(s) stored
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
674
Specific fault index within the subsystem.
Frequently asked questions about P1674
What does P1674 mean?
CAN data bus, instrumentation - incorrect signal. The control module detected that the CAN data bus, instrumentation state or value did not match what was expected. This is the manufacturer-specific definition used by Audi.
Is P1674 generic or manufacturer-specific?
P1674 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 P1674 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.