AutoCodes – Toyota – B1247 2015 Toyota RAV4

B1247 2015 Toyota RAV4 Code - Tire Pressure Monitor Receiver Communication Stop

Quick Answer

The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver are connected using 2 direct lines that they use to communicate with each other. Common causes include Faulty Tire Pressure Warning ECU, Tire Pressure Warning ECU harness is open or shorted, Tire Pressure Warning ECU circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: B1247 2015 Toyota RAV4 indicates Tire Pressure Monitor Receiver Communication Stop.
Common causes: Common causes include Faulty Tire Pressure Warning ECU, Tire Pressure Warning ECU harness is open or shorted, Tire Pressure Warning ECU circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 867

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1247 2015 Toyota RAV4 Description

The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver are connected using 2 direct lines that they use to communicate with each other. The Diagnostic Trouble Code (DTC) will be set if in diagnostic mode, an applicable RDA signal cannot be received within 10 seconds after a PRG signal is sent from the main body ECU (multiplex network body ECU).

OBDII Code B1247 2015 Toyota RAV4 - Tire Pressure Monitor Receiver Communication Stop - AutoCodes.com — B1247 2015 Toyota RAV4 Code - Tire Pressure Monitor Receiver Communication Stop

What does this mean?

What are the Possible Causes of the DTC B1247 2015 Toyota RAV4?

Faulty Tire Pressure Warning ECU
Tire Pressure Warning ECU harness is open or shorted
Tire Pressure Warning ECU circuit poor electrical connection
Faulty Main Body ECU (Multiplex Network Body ECU)

How to Fix the DTC B1247 2015 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 B1247 2015 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 B1247 2015 Toyota RAV4 code?

Need more information on how to fix the B1247 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2015 Toyota RAV4 Code

1. What is OBDII code B1247 in a 2015 Toyota RAV4 related to?

The OBDII code B1247 in a 2015 Toyota RAV4 is related to the Tire Pressure Monitor Receiver Communication Stop.

2. What are the common symptoms of OBDII code B1247 in a 2015 Toyota RAV4?

Common symptoms of OBDII code B1247 may include the tire pressure monitoring system (TPMS) light staying illuminated on the dashboard and the inability to receive tire pressure data.

3. What are some possible causes of OBDII code B1247 in a 2015 Toyota RAV4?

Possible causes of OBDII code B1247 include a faulty tire pressure monitor receiver, communication issues within the TPMS system, damaged wiring, or a malfunctioning TPMS sensor.

4. How can I diagnose OBDII code B1247 in a 2015 Toyota RAV4?

Diagnosing OBDII code B1247 may involve using a diagnostic scanner to retrieve the specific error code, checking the TPMS sensors for proper functioning, inspecting the wiring for any damages, and testing the tire pressure monitor receiver.

5. Is it safe to continue driving with OBDII code B1247 in a 2015 Toyota RAV4?

It is not recommended to continue driving with OBDII code B1247 present, as it indicates a potential issue with the tire pressure monitoring system, which can compromise safety and affect tire performance.

6. How can I repair OBDII code B1247 in a 2015 Toyota RAV4?

Repairing OBDII code B1247 may involve replacing a faulty tire pressure monitor receiver, repairing damaged wiring, resetting the TPMS system, or recalibrating the TPMS sensors.

7. Can I reset OBDII code B1247 in a 2015 Toyota RAV4 by disconnecting the battery?

Disconnecting the battery may temporarily clear the error code, but it is not a recommended long-term solution. Proper diagnosis and repair of the underlying issue causing OBDII code B1247 is necessary.

8. How much does it typically cost to fix OBDII code B1247 in a 2015 Toyota RAV4?

The cost of fixing OBDII code B1247 can vary depending on the specific issue causing the code, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to obtain quotes from different mechanics or dealerships.

9. Can OBDII code B1247 in a 2015 Toyota RAV4 be triggered by low tire pressure?

Low tire pressure can sometimes trigger OBDII code B1247 if it causes communication issues within the tire pressure monitoring system. Ensuring proper tire pressure levels is important for the overall functionality of the TPMS.

10. Is it possible to prevent OBDII code B1247 in a 2015 Toyota RAV4?

Regularly checking and maintaining proper tire pressure, inspecting the TPMS sensors for damage, and addressing any warning lights on the dashboard promptly can help prevent OBDII code B1247 from occurring in a 2015 Toyota RAV4.