Engine-CodesToyota – B1247 2018 Toyota RAV4

B1247 2018 Toyota RAV4 Code - Tire Pressure Monitor Receiver Communication Stop

Quick Answer

The B1247 diagnostic trouble code for a 2018 Toyota RAV4 specifically indicates a problem with the Tire Pressure Monitor Receiver Communication system. Common causes include Faulty Tire Pressure Monitor Receiver, Wiring or connection issues between the receiver and sensors, Dead or low battery in one or more tire pressure sensors. 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
B1247 2018 Toyota RAV4 indicates Tire Pressure Monitor Receiver Communication Stop.
Common causes
Common causes include Faulty Tire Pressure Monitor Receiver, Wiring or connection issues between the receiver and sensors, Dead or low battery in one or more tire pressure sensors.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1247 2018 Toyota RAV4 Description

The B1247 diagnostic trouble code for a 2018 Toyota RAV4 specifically indicates a problem with the Tire Pressure Monitor Receiver Communication system. This system is responsible for receiving signals from the tire pressure sensors in each tire and relaying that information to the vehicle's onboard computer. When this communication is interrupted or compromised, it can lead to inaccurate tire pressure readings being displayed on the dashboard or no readings at all.

OBDII Code B1247 2018 Toyota RAV4 - Tire Pressure Monitor Receiver Communication Stop
B1247 2018 Toyota RAV4 Code - Tire Pressure Monitor Receiver Communication Stop

Common Causes of B1247 2018 Toyota RAV4

  1. Faulty Tire Pressure Monitor Receiver
  2. Wiring or connection issues between the receiver and sensors
  3. Dead or low battery in one or more tire pressure sensors
  4. Interference from electronic devices or radio signals disrupting communication
  5. Malfunctioning onboard computer or software related issues

Symptoms of B1247 2018 Toyota RAV4

  1. Dashboard warning light for tire pressure remains on
  2. Inaccurate or erratic tire pressure readings displayed on the dashboard
  3. Loss of communication with tire pressure sensors
  4. Tire pressure monitor system malfunction message on the instrument cluster

How to Fix B1247 2018 Toyota RAV4

  1. Begin by checking the tire pressure in all four tires manually to ensure they are properly inflated.
  2. Inspect the wiring and connections between the tire pressure monitor receiver and sensors for any damage or corrosion.
  3. Test each tire pressure sensor using a compatible diagnostic tool to determine if any sensors are faulty and need replacement.
  4. If no issues are found with the sensors or wiring, replace the Tire Pressure Monitor Receiver module.
  5. After completing the repair, reset the system and perform a tire pressure sensor relearn procedure to ensure proper communication between the components.

Cost to Fix B1247 2018 Toyota RAV4

The cost of repairing a Tire Pressure Monitor Receiver Communication Stop issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the cost of replacing a faulty Tire Pressure Monitor Receiver module can range from $200 to $400, including parts and labor. However, additional costs may be incurred if any tire pressure sensors need to be replaced or if there are extensive wiring repairs required. It's recommended to consult with a trusted auto repair shop for an accurate estimate based on the specific diagnosis and repair needed for your 2018 Toyota RAV4. Labor rates at auto repair shops can vary, typically ranging from $80 to $150 per hour.

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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 B1247 2018 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1247 on a 2018 Toyota RAV4?

The common symptoms of code B1247 include the Tire Pressure Monitoring System (TPMS) warning light illuminating on the dashboard and a loss of communication with the TPMS receiver.

2. What can cause the OBDII code B1247 on a 2018 Toyota RAV4?

The code B1247 is typically triggered by a communication error between the Tire Pressure Monitor Receiver and the vehicle's onboard diagnostic system. This could be due to wiring issues, a faulty TPMS receiver, or a problem with the control module.

3. How can I diagnose the OBDII code B1247 on my 2018 Toyota RAV4?

Diagnosing code B1247 involves inspecting the TPMS receiver, checking the wiring harness for any damage or loose connections, and using a diagnostic scanner to communicate with the TPMS system for further troubleshooting.

4. Is it safe to drive with the OBDII code B1247 on a 2018 Toyota RAV4?

While it is generally safe to drive with the B1247 code related to the TPMS receiver communication, it is important to address the issue promptly to ensure the proper functioning of the tire pressure monitoring system.

5. Can I reset the OBDII code B1247 on my 2018 Toyota RAV4 without repairs?

Resetting the B1247 code without addressing the underlying issue may temporarily turn off the warning light, but the problem will likely persist. It is recommended to diagnose and repair the root cause of the code to prevent it from reoccurring.

6. How much does it cost to repair the OBDII code B1247 on a 2018 Toyota RAV4?

The cost of repairing code B1247 can vary depending on the exact cause of the issue. It may involve replacing the TPMS receiver, repairing wiring, or addressing a control module problem. Costs can range from a few hundred to over a thousand dollars.

7. Are there any DIY tips for fixing the OBDII code B1247 on a 2018 Toyota RAV4?

While diagnosing and repairing code B1247 may require specialized tools and expertise, you can start by checking the TPMS receiver connections and fuses for any visible issues. However, for a proper fix, it is recommended to consult a professional mechanic.

8. How long does it take to repair the OBDII code B1247 on a 2018 Toyota RAV4?

The repair time for code B1247 can vary based on the complexity of the issue. Simple fixes like reconnecting loose wires may take a short time, while more involved repairs such as replacing the TPMS receiver could require several hours.

9. Can extreme weather conditions trigger the OBDII code B1247 on a 2018 Toyota RAV4?

Extreme weather conditions can potentially affect the TPMS receiver communication, leading to the triggering of code B1247. It is essential to ensure that the TPMS system is properly maintained to prevent weather-related issues.

10. Will the OBDII code B1247 on a 2018 Toyota RAV4 affect the vehicle's performance?

Code B1247 related to the Tire Pressure Monitor Receiver communication stop is unlikely to directly impact the vehicle's performance. However, it is crucial to resolve the issue promptly to maintain the proper functioning of the TPMS system and ensure optimal safety on the road.

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