Network
generic / SAE
U02A8
Lost Communication With Engine Sound Control 2
The vehicle bus reports loss of communication with engine sound control unit 2. Active sound design (interior synthetic engine sound or exterior pedestrian alert) for this channel stops.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / A8
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: 80–800 €
- Estimated time: 0.5–2 h
- Component: engine sound module 2
- Component: vehicle bus wiring
- drive cycle required
Sources
References
sae:J2012