Network
generic / SAE
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.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 63
Possible causes
- Bus wiring open or shorted high
- Module without power or ground medium
- Module failed medium
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1200 €
- Estimated time: 0.5–3 h
- Component: speech recognition module
- Component: vehicle bus wiring
- drive cycle required
Sources
References
sae:J2012