U0193Lost Communication With Digital Audio Control Module A
- Generic OBD-II code · Network
- How the car detects it
- U0193 reports that digital audio control module A no longer sends its messages. Makers fill this slot differently. GM calls it Lost Communication With Digital Radio Receiver Control Module in the Saab 9-5 (2010-2011) U-code list, i.e. the separate receiver for digital or satellite radio, and its 2017-2021 GMC Acadia and Cadillac XT5 bulletin lists U0193 among codes caused by harness chafing or water in the BCM. Chrysler's 2006-2010 Jeep code list uses U0193 for a traffic information receiver module. GM's logic: a supervised periodic message is missing at 9-16 V. U0194 is module B, U0184 the radio, U0186 the amplifier. Digital radio or traffic data drops out; no MIL.
- What you may notice
- Digital, satellite radio or traffic data unavailable
- Radio shows no signal for the digital source
- Code stored in radio and other modules
- Likely causes
- LikelyDigital receiver module without power or ground
- PossibleChafed harness or water in connectors (GM Acadia/XT5)
- PossibleBus wire or connector to the receiver damaged
- RareDigital audio module A faulty
- Repair
- Medium · Often possible to do yourself.Typical cost: €40 – €600
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.