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Randy
Randy, Certified Technician
Category: Toyota
Satisfied Customers: 9267
Experience:  I have over 25 years expierence.
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2011 camry 2.4 Low tire light on, will not clear, code C2122

Customer Question

2011 camry 2.4 Low tire light on, will not clear , code C2122 Help!
Submitted: 1 year ago.
Category: Toyota
Expert:  Randy replied 1 year ago.

That is going to be caused by Tire pressure monitor transmitter>C2122/22 No Signal from Transmitter ID2

Tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the air pressures of the tires. The measured values are transmitted to the tire pressure warning antenna and receiver on the body as radio waves and then sent to the tire pressure warning ECU. The ECU compares the measured air pressure values with the air pressure threshold. When the measured air pressure values are less than this threshold, the warning light in the combination meter comes on. The tire pressure warning valve and transmitter constantly sends radio waves to the tire pressure warning antenna and receiver. Under the following conditions, the tire pressure warning antenna and receiver is unable to receive the signals from the tire pressure warning valve and transmitters, and a DTC is output. – Areas, facilities, or devices that use similar radio frequencies are located in the vicinity of the vehicle. – Devices using similar radio frequencies are used in the vehicle. HINT: When no signals are received for 30 minutes or more, a DTC is output. DTCs C2121/21 to C2125/25 can only be cleared by using the tester.

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