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TuningBot DTC Database · v4.37.15

U1000 Chevrolet - CAN data bus - communication malfunction

Manufacturer-specific interpretation for Chevrolet. All interpretations of U1000

U · NetworkNetworkOBD2

What U1000 means

U1000
CAN data bus - communication malfunction Chevrolet · network Data confidence 62%

The control module detected a communication fault involving CAN data bus on the vehicle network. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring
  • BCM
  • ECM
  • antilock brake system (ABS)/traction control system (TCS)
  • instrumentation control module
  • SDM

Related and nearby codes

How to read U1000

U

Network: communication between control units.

1

Manufacturer-defined range: the meaning can differ between brands.

000

Specific fault index within the subsystem.

Frequently asked questions about U1000

What does U1000 mean?

CAN data bus - communication malfunction. The control module detected a communication fault involving CAN data bus on the vehicle network. This is the manufacturer-specific definition used by Chevrolet.

Is U1000 generic or manufacturer-specific?

U1000 is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.

Can TuningBot remove U1000 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 U1000 is removable in your case.

Other file services

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