TuningBot DTC Database · v4.37.15
1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.
MazdaMazdaThe control module detected improper operation of the CAN data bus - VSS. This is the manufacturer-specific definition used by Mazda.
Network: communication between control units.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
CAN data bus - VSS signal malfunction. The control module detected improper operation of the CAN data bus - VSS. This is the manufacturer-specific definition used by Mazda.
U1039 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U1039 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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