Media Oriented Systems Transport Bus Performance
Table of contents
U0029 CADILLAC Possible Causes
- General Motors Local Area Network (GMLAN) and Media Oriented Systems Transport (MOST) harness is open or shorted
- GMLAN and MOST circuit poor electrical connection
How do I fix code U0029 CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the U0029 CADILLAC code
The cost of diagnosing the U0029 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U0029 CADILLAC Description
The Media Oriented Systems Transport (MOST) bus master device shall set DTC U0029 when the MOST bus interruptions lasts long enough to interrupt MOST communication and functions, but not long enough to break the MOST bus ring. A current Diagnostic Trouble Code (DTC) sets when MOST bus communication has been interrupted more than 10 times during the monitoring cycle period.