Code result
U02A6
Lost Communication With Safety Integration Control Module
High severity
What it means
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.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Bus wiring open or shorted
highOne of the most commonly reported causes for this code — check this first.
Module without power or ground
mediumA plausible cause — test and verify before replacing parts.
Module failed
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose U02A6 freeNo credit card required