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TuningBot DTC Database · v4.37.14

U0010 Controller area network (CAN) data bus: medium speed bus

Generic (OBD-II) interpretation in the TuningBot DTC database.

U · NetworkNetworkOBD2

What U0010 means

U0010
Controller area network (CAN) data bus: medium speed bus Generic · network Data confidence 65%

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
  • Inspect harness sections prone to chafing
  • Check for water ingress at connectors

Related and nearby codes

How to read U0010

U

Network: communication between control units.

0

Generic SAE-standard code: same meaning on every make.

010

Specific fault index within the subsystem.

Frequently asked questions about U0010

What does U0010 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 U0010 generic or manufacturer-specific?

U0010 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U0010 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 U0010 is removable in your case.

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