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Home >> Toyota >> 2017 >> 86 Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System - Diagnostic Codes & Circuit Tests >> Tire Pressure Warning System >> DTC C2121: No Signal from Transmitter ID1; DTC C2122: No Signal from Transmitter ID2; DTC C2123: No Signal from Transmitter ID3; DTC C2124: No Signal from Transmitter ID4; DTC C2181: Transmitter ID1 not Received (Test Mode DTC); DTC C2182: Transmitter ID2 not Received (Test Mode DTC); DTC C2183: Transmitter ID3 not Received (Test Mode DTC); DTC C2184: Transmitter ID4 not Received (Test Mode DTC) [06/2016 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • When replacing the door control receiver, read the IDs stored in the old ECU using the Techstream and write them down before removal.
  • It is necessary to perform registration (Refer to REGISTRATION [06/2016 - ] ) of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.
  • When replacing the door control receiver on vehicles, be sure to perform Registration of Recognition Code to register the transmitter IDs after ECU replacement (Refer to REGISTRATION [06/2016 - ] ).