Network
generic / SAE
U02A6
Lost Communication With Safety Integration Control Module
The vehicle bus reports loss of communication with the safety integration module that arbitrates between ADAS, restraint, brake and steering systems. Cross-system safety functions may be inhibited.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / A6
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: hard
- DIY: shop recommended
- Estimated cost: 200–2000 €
- Estimated time: 1–5 h
- Component: safety integration module
- Component: vehicle bus wiring
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012