LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> C-HR LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Tire Pressure Warning System - Diagnostic Codes & Circuit Tests >> 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) [12/2021 - ] >> Caution / Notice / Hint
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Caution / Notice / Hint

NOTE:
  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.

    Refer to DATA LIST / ACTIVE TEST [12/2021 - ]

  • It is necessary to perform initialization. Refer to INITIALIZATION [12/2021 - ] after registration. Refer to REGISTRATION [12/2021 - ] of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters has been replaced.
scientia non olet · About LEMON Manuals