DTC C2171/71: Transmitter ID not Registered [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The IDs of each tire pressure warning valve and transmitter are registered to the tire pressure warning ECU and receiver.
When the ECU detects that a transmitter ID code is not registered in the ECU, a DTC is stored.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C2171/71 | Transmitter ID code is not registered. (When an ID code is unregistered for 3 minutes or more) | Tire pressure warning ECU and receiver |