LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2013 >> Prius Plug-in >> Repair and Diagnosis (Single Page) >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System (Diagnostic Codes & Circuit Tests) (Plug-In) >> Tire Pressure Warning System >> DTC C2121/21: No Signal from Transmitter ID1; DTC C2122/22: No Signal from Transmitter ID2; DTC C2123/23: No Signal from Transmitter ID3; DTC C2124/24: No Signal from Transmitter ID4; DTC C2181/81: Transmitter ID1 not Received (Test Mode DTC); DTC C2182/82: Transmitter ID2 not Received (Test Mode DTC); DTC C2183/83: Transmitter ID3 not Received (Test Mode DTC); DTC C2184/84: Transmitter ID4 not Received (Test Mode DTC) >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

NOTE:
  • When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
  • It is necessary to perform initialization. Refer to INITIALIZATION after registration. Refer to REGISTRATION of the transmitter IDs into the tire pressure warning ECU if the ECU and/or any of the valve and transmitters have been replaced.