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Missing sensor

Missing sensor Tdev: Device temperature sensor

Part to check: Temperature sensor on the logic board or a flex cable

Missing sensor Tdev means the device temperature sensor is not sending data to the thermalmonitord process. After about 180 seconds without that data, the iPhone restarts on its own and writes a Panic-Full log containing the line Missing sensor(s): Tdev. Usual location: Temperature sensor on the logic board or a flex cable. It is one of the easiest errors to trace because the log names the sensor directly. Scan the log with the Panic Scan app to see every missing sensor at once.

Basic information

Code
Tdev
Missing sensor
Device temperature sensor
Location
Temperature sensor on the logic board or a flex cable
Confidence
Possible

Related parts

  • Logic board
  • Flex cable with a temperature sensor

Notes

Tdev1...Tdev8 names differ by model; a schematic is needed to pin it down.

Errors in the same category

For reference only, compiled from repair documentation and community data. The same error can come from more than one part; always confirm on the actual device.

All errors