Logic board
Panic codes that point to the Logic board
| Code | Model | Part |
|---|---|---|
| no_pulse | iPhone | Vibration motor (Taptic) and its power lines, or audio codec |
| data_abort | iPhone | Logic board: processor solder joints or NAND |
| sep_rom | iPhone | SEP ROM chip/line (EEPROM) or its link to the CPU — logic board |
| sep_panic | iPhone | Logic board (SEP link) — or corrupted firmware/iOS (after a downgrade) |
| sep_mpm | iPhone | Logic board (Secure Enclave) |
| ans2 | iPhone | NAND (storage) or its communication lines — logic board |
| nvme | iPhone | NAND and its power rails |
| ans | iPhone | NAND or internal PCB layers |
| h2fmi | iPhone | NAND / storage controller (older models, e.g. iPhone 5) |
| iomfb | iPhone | Display (screen assembly) — then logic board if it persists |
| dcp | iPhone | Display subsystem (screen or board) — unconfirmed |
| display-pmu | iPhone | OLED display (power circuit built into the display) |
| display-eeprom | iPhone | Display (often non-genuine) — or i2c3 line on the board side |
| data_abort | iPhone | CPU communication lines (logic board) |
| smc_other | iPhone | Components on the SMC's i2c master bus (A11/A12: management / USB / PMU chips) |
| smc_other | iPhone | CPU power rails and associated inductors (logic board) |
| sochot | iPhone | Logic board (PMU↔CPU line / overheating) — check the Wi-Fi and audio areas |
| amcc | iPhone | SoC (memory / cache controller) — not repairable short of a board replacement |
| pmp | iPhone | CPU power supply |
| sleepwake | iPhone | Audio codec rails, then CPU power supply |
| halt_cpu | iPhone | Processor solder joints |
| wlan | iPhone | Wi-Fi / Bluetooth module (or antenna) |
| baseband | iPhone | Modem (baseband) — logic board |
| 0x400 | iPhone 13 mini | Gyroscope on the lower board (logic board sandwich separation) |
| 0xc00 | iPhone 13 mini | Lower board (gyroscope) + charging port flex |
| 0x20000 | iPhone 14 Plus, iPhone 14 | Logic board: sandwich interposer (layer separation) |
| 0x20000 | iPhone 14 Pro Max, iPhone 14 Pro | Gyroscope on the board (logic board sandwich separation) |
| 0xa0000 | iPhone 14 Pro Max, iPhone 14 Pro | Logic board sandwich (gyroscope) + front sensors flex |
| 0x1400000 | iPhone 14 Pro Max, iPhone 14 Pro | USB module circuit: component (microphone) on the charging flex or logic board path to the PMU |
| 0x1000000 | iPhone 15 Pro Max, iPhone 15 Pro | USB module circuit: component (microphone) on the charging flex or logic board path to the PMU |
| 0x380000 | iPhone 16 Plus, iPhone 16 | Charging port + wireless coil, or logic board sandwich separation |
| mic1 | iPhone SE (2nd generation) | Charging port flex (bottom microphone) or broken I2C trace on the logic board |