OBD-II code · Network
U0263 Lost Communication With Speech Recognition Module
The vehicle bus reports loss of communication with the speech recognition module. Voice commands for navigation, phone or media stop being recognised.
Is it safe to drive with U0263?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBus wiring open or shorted
- PossibleModule without power or ground
- PossibleModule failed
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Speech Recognition Module, Vehicle Bus Wiring
Related codes
- U0260Lost Communication With Seat Control Switch Module A
- U0261Lost Communication With Seat Control Switch Module B
- U0262Lost Communication With Audio Amplifier B
- U0264Lost Communication With Camera Module Rear
- U0265Lost Communication With Image Processing Sensor A
- U0266Lost Communication With Image Processing Sensor B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.