Symptoms Touchscreen goes completely black during operation; infotainment system freezes and requires reboot; radio presets and language settings reset to default after ignition cycle; Apple CarPlay / Android Auto drops repeatedly.
Why it matters for your claim SYNC screen failure on its own is Functional, but when combined with the backup camera (which relies on SYNC) failing simultaneously, the combined issue crosses into Safety. Multiple TSBs across several years without a durable fix supports a pattern-of-repeated-repair argument. Document every dealer visit with exact DTC codes and APIM software version.
Typical fix APIM software reprogramming (SSM 49245 / SSM 48917 / TSB 25-2570 as applicable); dealer FDRS update. Multiple visits often required as successive patches addressed different sub-issues.
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