AutoCodes – Toyota – B279C 2013 Toyota RAV4

B279C 2013 Toyota RAV4 Code - Theft Deterrent System Presence Detection

Quick Answer

This Diagnostic Trouble Code (DTC) is stored when an Engine Control Module (ECM) that is incompatible with the immobiliser system is installed in the vehicle. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module circuit poor electrical connection. 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: B279C 2013 Toyota RAV4 indicates Theft Deterrent System Presence Detection.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module circuit poor electrical connection.
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.

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Code Popularity 382

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B279C 2013 Toyota RAV4 Description

This Diagnostic Trouble Code (DTC) is stored when an Engine Control Module (ECM) that is incompatible with the immobiliser system is installed in the vehicle.

OBDII Code B279C 2013 Toyota RAV4 - Theft Deterrent System Presence Detection - AutoCodes.com — B279C 2013 Toyota RAV4 Code - Theft Deterrent System Presence Detection

What does this mean?

What are the Possible Causes of the DTC B279C 2013 Toyota RAV4?

Faulty Engine Control Module (ECM)
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection

How to Fix the DTC B279C 2013 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 B279C 2013 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 B279C 2013 Toyota RAV4 code?

Need more information on how to fix the B279C 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B279C 2013 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 B279C 2013 Toyota RAV4 Code

1. What does the OBDII code B279C on a 2013 Toyota RAV4 indicate?

The code B279C on a 2013 Toyota RAV4 refers to a problem with the Theft Deterrent System Presence Detection.

2. What are the common symptoms of OBDII code B279C in a 2013 Toyota RAV4?

Common symptoms of code B279C in a 2013 Toyota RAV4 include issues with starting the vehicle, the security light flashing, or the engine stalling.

3. What are the possible causes of OBDII code B279C in a 2013 Toyota RAV4?

Potential causes of code B279C in a 2013 Toyota RAV4 include a faulty key transponder, a malfunctioning ignition switch, or a problem with the immobilizer system.

4. How can I diagnose the OBDII code B279C in my 2013 Toyota RAV4?

Diagnosing code B279C in a 2013 Toyota RAV4 involves using a diagnostic scanner to retrieve the code, inspecting the key transponder, checking the ignition switch, and testing the immobilizer system.

5. Are there any DIY repair tips for fixing OBDII code B279C in a 2013 Toyota RAV4?

DIY repair tips for addressing code B279C in a 2013 Toyota RAV4 include ensuring the key fob battery is working, checking for loose connections in the ignition system, and resetting the immobilizer system.

6. Can OBDII code B279C in a 2013 Toyota RAV4 be fixed at home, or do I need to visit a mechanic?

Depending on the underlying cause, some instances of code B279C in a 2013 Toyota RAV4 can be fixed at home by following repair guides, while others may require professional diagnosis and repair.

7. Is it safe to continue driving my 2013 Toyota RAV4 with OBDII code B279C present?

It is not recommended to drive your 2013 Toyota RAV4 with code B279C present, as it may lead to potential starting or security issues that could result in the vehicle not functioning properly.

8. How much does it typically cost to repair OBDII code B279C in a 2013 Toyota RAV4?

The cost of repairing code B279C in a 2013 Toyota RAV4 can vary depending on the cause of the issue, but it may range from a simple key fob battery replacement to more complex repairs involving the immobilizer system.

9. Can OBDII code B279C in a 2013 Toyota RAV4 be reset without fixing the underlying issue?

Resetting the code without addressing the underlying problem may temporarily clear the error code, but it is not recommended as the issue will likely resurface, potentially causing further problems.

10. How can I prevent OBDII code B279C from appearing in my 2013 Toyota RAV4?

To prevent code B279C in a 2013 Toyota RAV4, ensure your key fob battery is replaced regularly, keep the ignition system well-maintained, and avoid exposing the vehicle to potential theft attempts that could trigger the theft deterrent system.