B279C 2015 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 2015 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.
Code B279C 2015 Toyota RAV4 Description
What are the Possible Causes of the DTC B279C 2015 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 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 B279C 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 B279C 2015 Toyota RAV4 code?
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Frequently Asked Questions about B279C 2015 Toyota RAV4 Code
1. What does OBDII code B279C mean on a 2015 Toyota RAV4?
The code B279C indicates a problem with the Theft Deterrent System Presence Detection in the vehicle.
2. What are the common symptoms of OBDII code B279C in a 2015 Toyota RAV4?
Common symptoms include the vehicle not starting, the security light flashing, or the engine shutting off unexpectedly.
3. What are the possible causes of OBDII code B279C in a 2015 Toyota RAV4?
Potential causes include a faulty key fob, a dead or weak battery in the key fob, issues with the immobilizer system, or a malfunction in the security module.
4. How can I diagnose OBDII code B279C in my 2015 Toyota RAV4?
Diagnosis typically involves checking the key fob battery, ensuring the key fob is synchronized with the vehicle, inspecting the immobilizer system components, and using a diagnostic scanner to read the specific trouble codes.
5. Can I reset OBDII code B279C in my 2015 Toyota RAV4?
Resetting the code may temporarily clear the error, but it is important to diagnose and address the underlying issue to prevent the code from reoccurring.
6. How can I repair OBDII code B279C in my 2015 Toyota RAV4?
Repair options may include replacing the key fob battery, reprogramming the key fob, repairing or replacing the immobilizer system components, or seeking assistance from a certified mechanic.
7. Is it safe to continue driving with OBDII code B279C present in my 2015 Toyota RAV4?
It is not recommended to drive the vehicle with an active theft deterrent system fault, as it may lead to potential starting or security issues. It's best to address the problem promptly.
8. How much does it cost to fix OBDII code B279C in a 2015 Toyota RAV4?
The cost of repair can vary depending on the specific cause of the issue and the required repairs. It's advisable to obtain quotes from trusted mechanics or dealerships for an accurate estimate.
9. Can extreme weather conditions affect OBDII code B279C in a 2015 Toyota RAV4?
Extreme temperatures or exposure to moisture can sometimes impact the performance of the key fob or the security system, potentially triggering the B279C fault code.
10. How can I prevent OBDII code B279C from occurring in my 2015 Toyota RAV4?
Regularly maintaining and replacing the key fob battery, keeping the key fob away from water or extreme temperatures, and addressing any security system issues promptly can help prevent the code from appearing.
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