Error code
OBD2 U0194
OBD2U0194
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With 'Digital Audio Control Module B'.
Severity
lowYes, but you may experience issues with your vehicle's audio system.
Summary
U0194 indicates that there is no communication between the vehicle's diagnostic system and the digital audio control module B, which handles audio functions.
Common Causes
- Faulty or disconnected wiring to the digital audio control module
- Malfunctioning digital audio control module
Fixes
- Check and repair any faulty wiring or connectors related to the digital audio control module.
FAQ
Can I drive with U0194?
Yes, you can still drive but your vehicle's audio system may not work properly.
What does the digital audio control module do?
The digital audio control module manages functions related to the car’s audio system such as radio and CD player operations.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- U0101Lost Communication with TCM
- U0102Lost Communication with Transfer Case Control Module
- U0103Lost Communication With Gear Shift Module
- U0104Lost Communication With Cruise Control Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
- U0107Lost Communication With Throttle Actuator Control Module
- U0108Lost Communication With Alternative Fuel Control Module
- U0109Lost Communication With Fuel Pump Control Module
- U0110Lost Communication With Drive Motor Control Module
- U0111Lost Communication With Battery Energy Control Module 'A'