U0015Controller area network (CAN) data bus: medium speed bus( - )
Generic (OBD-II) interpretation in the TuningBot DTC database.
U · NetworkNetworkOBD2
What U0015 means
U0015
Controller area network (CAN) data bus: medium speed bus( - )
Generic · network
Data confidence65%
The control module detected a fault associated with the Controller area network (CAN) data bus: medium speed bus( - ) circuit or function; the stored code identifies the affected component rather than a single failure mode.
Symptoms
Multiple systems may log communication codes
Possible loss of gauge or system functions
Possible causes
Bus wiring open or short circuit
Terminating resistor fault
A faulty node disturbing the bus
Connector corrosion
Recommended checks
Measure CAN-H/CAN-L voltages and bus resistance
Map communicating vs silent modules with a full scan
Generic SAE-standard code: same meaning on every make.
015
Specific fault index within the subsystem.
Frequently asked questions about U0015
What does U0015 mean?
Controller area network (CAN) data bus: medium speed bus( - ). The control module detected a fault associated with the Controller area network (CAN) data bus: medium speed bus( - ) circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is U0015 generic or manufacturer-specific?
U0015 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0015 at file level?
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 U0015 is removable in your case.
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