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Home >> Lexus >> 2012 >> LS 460 AWD >> Repair and Diagnosis (Single Page) >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System (Diagnostic Codes & Circuit Tests) >> Tire Pressure Warning System >> DTC C2121/21, C2122/22, C2123/23, C2124/24, C2125/25, C2181/81, C2182/82, C2183/83, C2184/84, C2185/85: No Signal from Transmitter ID1 in Main Mode; No Signal from Transmitter ID2 in Main Mode; No Signal from Transmitter ID3 in Main Mode; No Signal from Transmitter ID4 in Main Mode; No Signal from Transmitter ID5 in Main Mode; Transmitter ID1 not Received (Test Mode DTC); Transmitter ID2 not Received (Test Mode DTC); Transmitter ID3 not Received (Test Mode DTC); Transmitter ID4 not Received (Test Mode DTC); Transmitter ID5 not Received (Test Mode DTC) >> Inspection Procedure

Inspection Procedure

NOTE:
  • When replacing the tire pressure warning ECU, read the 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 after the ECU and/or the tire pressure warning valve and transmitter has been replaced.
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