Diagnostic trouble code U150600 — what it means, the common
causes, and how to confirm the real fault before replacing parts.
What does U150600 mean?
U150600 indicates: Local Data Bus 5 no communication.
This relates to the Network / communication system.
Common causes of U150600
Interruption of the fiber-optic cable
Faulty voltage supply of the transmitter or receiver control module
Faulty transmitter or receiver control module
Fatal errors detected in the affected control module causing it to disconnect from the bus (bus OFF)
Message time-out due to at least 10 messages not received
What to check (live data)
Gateway measuring value blocks via VAS scan tool
Ring break diagnosis wire voltage signal (12V signal connected to earth for 10 seconds during first test cycle)
CAN-bus continuity check using ohmmeter (Drivetrain CAN)
Parts often involved in U150600
Fiber-optic cable
Transmitter control module
Receiver control module
Data Bus On Board Diagnostic Interface J533
Don't replace parts until the root cause is confirmed — many of these codes are caused by wiring, a connector or an upstream fault, not the part itself.
Get the confirmed root cause for U150600 — on YOUR vehicle
A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several
independent assessments, pinpoints the actual root cause, gives you the
exact tests to confirm it, and shows the parts — only after the cause is
confirmed. Reads your scan-tool photo and decodes your VIN with open
recalls.
U150600 is a diagnostic trouble code: Local Data Bus 5 no communication.
What are the common causes of U150600?
Common causes include: Interruption of the fiber-optic cable, Faulty voltage supply of the transmitter or receiver control module, Faulty transmitter or receiver control module, Fatal errors detected in the affected control module causing it to disconnect from the bus (bus OFF). The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving with U150600?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix U150600?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for U150600 on your specific vehicle.