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Rectangular silver car stereo faceplate with CD slot and button array

1 Factory Radio

1 Factory Radio DEH-M8557 receiver AM FM CD 2011-2012 Scion TC

SKU CH-A2HB-6E8G5 MPN DEH-M8557

Professionally remanufactured OEM AM/FM CD receiver for 2011-2012 Scion TC, part PT546-00111

  • TypeRadio
  • BluetoothNo
  • AUXNo
  • Weight6
  • OEM-fit replacement for 2011-2012 Scion TC
  • Professionally remanufactured and tested to 100% working order
  • AM/FM radio with single-disc CD and MP3 playback
  • Exact match for part numbers PT546-00111 and PT54600100
  • Model DEH-M8557 face T1815 ensures correct data-stream compatibility

Vehicle-specific replacement radio

This professionally remanufactured OEM unit fits the 2011-2012 Scion tC and carries part number PT546-00111. It provides AM FM reception and single-disc CD playback with mp3 capability. The faceplate code is T1815 and the internal model is DEH-M8557. It is intended only as a direct replacement for the factory radio.

Part-number matching required

The radio will likely not work unless the vehicle already contains the exact part number PT546-00111 or PT54600100. Units that look identical and share the same plugs can use different data streams and may not code to the car. External amplifier configurations can also prevent interchange even when connectors appear the same.

Straightforward swap when numbers match

Installation is a direct plug-in replacement when the part number matches, requiring no security code entry. Problems usually arise from ordering by model year alone instead of verifying the sticker on the original radio. If the part number differs, the unit will not communicate with the vehicle electronics.

Highlights

  • OEM-fit replacement for 2011-2012 Scion TC
  • Professionally remanufactured and tested to 100% working order
  • AM/FM radio with single-disc CD and MP3 playback
  • Exact match for part numbers PT546-00111 and PT54600100
  • Model DEH-M8557 face T1815 ensures correct data-stream compatibility

Specifications

Brand1 Factory Radio
ModelPT546-00111
TypeRadio
BluetoothNo
AUXNo
Weight6

Questions about this item

Which part number should I match to ensure this head unit fits my 2011-2012 Scion tC?

Match the original radio's part number PT546-00111 exactly; the compatible reference PT54600100 is also listed, but a different number means the data stream may not communicate with the vehicle.

What does the "professionally remanufactured" description mean for daily operation of this DEH-M8557 unit?

The radio has been cleaned, serviced and tested to 100% working order; it powers up with no code required and delivers AM/FM reception plus single-disc CD and MP3 playback.

Does the T1815 faceplate and PT546-00111 data interface support steering-wheel audio controls on my tC?

The unit uses the factory PT546-00111 data stream; if your original radio had that exact part number, steering-wheel controls will function — otherwise the different data stream will prevent them from working.

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