AutoCodesToyota – C2185 2018 Toyota RAV4

C2185 2018 Toyota RAV4 Code - Transmitter ID 5 Not Received

Quick Answer

The Tire Pressure Warning Valve and Transmitters that are installed in the tire and wheel assemblies measure the tire pressures. Common causes include Faulty Tire Pressure Warning Valve and Transmitter, Faulty Tire Pressure Warning ECU and Receiver. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C2185 2018 Toyota RAV4 indicates Transmitter ID 5 Not Received.
Common causes
Common causes include Faulty Tire Pressure Warning Valve and Transmitter, Faulty Tire Pressure Warning ECU and Receiver.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 284
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 15, 2023
💬 Need more help? Ask Coddy for instant answers — it's free!

Code C2185 2018 Toyota RAV4 Description

The Tire Pressure Warning Valve and Transmitters that are installed in the tire and wheel assemblies measure the tire pressures. The measured values are transmitted to the Tire Pressure Warning ECU and Receiver in the vehicle as radio waves. The ECU compares the measured air pressure values with the air pressure threshold. When the measured air pressure value is less than this threshold, the warning light in the combination meter assembly illuminates.
The Tire Pressure Warning Valve and Transmitters constantly send radio waves to the Tire Pressure Warning ECU and Receiver.
Under the conditions below, the Tire Pressure Warning ECU and Receiver is unable to receive the signals from the Tire Pressure Warning Valve and Transmitters, and a Diagnostic Trouble Code (DTC) is stored.
- 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.
- The ID of the tire pressure warning valve and transmitter is mistyped during registration.
- A tire, wheel, and/or transmitter from a different vehicle is installed.
OBDII Code C2185 2018 Toyota RAV4 - Transmitter ID 5 Not Received - AutoCodes.com
C2185 2018 Toyota RAV4 Code - Transmitter ID 5 Not Received

What are the Possible Causes of the DTC C2185 2018 Toyota RAV4?

  • Faulty Tire Pressure Warning Valve and Transmitter
  • Faulty Tire Pressure Warning ECU and Receiver

How to Fix the DTC C2185 2018 Toyota RAV4?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C2185 2018 Toyota RAV4 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C2185 2018 Toyota RAV4 code?

Need more information on how to fix the C2185 2018 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2185 2018 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C2185 2018 Toyota RAV4 Code

1. What does the OBDII code C2185 mean on a 2018 Toyota RAV4?

The code C2185 indicates that the Transmitter ID 5 for the tire pressure monitoring system (TPMS) is not being received by the vehicle's computer.

2. What are the common symptoms of the C2185 code in a 2018 Toyota RAV4?

Symptoms include the TPMS warning light illuminating, a potential error message on the dashboard, and possible failure to display tire pressure information for one or more tires.

3. What causes the C2185 code in a Toyota RAV4?

Common causes include a malfunctioning TPMS sensor, a dead sensor battery, interference from external signals, or a failure to properly program the sensor ID into the vehicle's TPMS system.

4. How do I diagnose the C2185 code on a 2018 Toyota RAV4?

Diagnosis typically involves using a scan tool to check for TPMS sensor communication, verifying sensor ID programming, inspecting the affected tire's sensor, and checking for interference or wiring issues.

5. Can a dead TPMS sensor battery cause the C2185 code?

Yes, a dead or weak TPMS sensor battery can prevent the transmitter from sending its ID to the vehicle, triggering the C2185 code.

6. How is the C2185 code fixed on a 2018 Toyota RAV4?

Repairs may involve replacing the faulty TPMS sensor, reprogramming the sensor ID, or addressing any wiring or signal interference issues.

7. Can I drive my 2018 Toyota RAV4 with the C2185 code active?

Yes, you can drive the vehicle, but the TPMS system may not function correctly, increasing the risk of not detecting underinflated tires.

8. How much does it cost to fix the C2185 code on a Toyota RAV4?

The cost varies depending on the issue, but replacing a TPMS sensor typically costs between $50 and $250, including parts and labor.

9. Do I need to reprogram the TPMS sensor after replacing it to clear the C2185 code?

Yes, after replacing a TPMS sensor, the new sensor ID must be programmed into the vehicle’s TPMS system using a compatible scan tool.

10. Can bad weather or interference cause the C2185 code on a 2018 Toyota RAV4?

Yes, extreme weather conditions or electronic interference can temporarily disrupt the signal between the TPMS sensor and the vehicle, potentially triggering the code.

Discuss the causes and fixes for C2185 2018 Toyota RAV4 OBDII Code

Code C2185 2018 Toyota RAV4 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play