iPhone 15 Pro Max — sensor array 0x1000000: USB module circuit: component
On the iPhone 15 Pro Max, 0x1000000 means: USB module circuit: component (microphone) on the charging flex or logic board path to the PMU.
What does this code mean?
SMC “BSC failure” panic: the system management controller (built into the SoC) periodically waits for a response from each mandatory sensor; this code was obtained in the lab when the path between the microphone component on the USB flex, the filter and the logic board PMU is interrupted. With no response, it forces a restart, which repeats roughly every 3 minutes (≈180 s) as long as the sensor stays silent.
Which part to test first?
First replace the charging port flex with a known-good part; if the panic persists, diode mode on the USB connector and the logic board filter (OL = damage), bridging possible if the pads are intact.
The same code on other models
- iPhone 15 ProUSB module circuit: component
Field cases
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