AutoCodes – Toyota – B2793 2016 Toyota RAV4

B2793 2016 Toyota RAV4 Code - Transponder Chip Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is output when trouble is found in a key during the key code registration, or the key code is not registered normally. Common causes include Faulty Key, Faulty Transponder Key Coil, Faulty Transponder Key ECU Assembly. 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: B2793 2016 Toyota RAV4 indicates Transponder Chip Malfunction.
Common causes: Common causes include Faulty Key, Faulty Transponder Key Coil, Faulty Transponder Key ECU Assembly.
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 2,052

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 Jan 16, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2793 2016 Toyota RAV4 Description

This Diagnostic Trouble Code (DTC) is output when trouble is found in a key during the key code registration, or the key code is not registered normally. Replace the key when the key code registration is not performed normally, and this DTC is detected.

OBDII Code B2793 2016 Toyota RAV4 - Transponder Chip Malfunction - AutoCodes.com — B2793 2016 Toyota RAV4 Code - Transponder Chip Malfunction

What does this mean?

What are the Possible Causes of the DTC B2793 2016 Toyota RAV4?

Faulty Key
Faulty Transponder Key Coil
Faulty Transponder Key ECU Assembly

How to Fix the DTC B2793 2016 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 B2793 2016 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 B2793 2016 Toyota RAV4 code?

Need more information on how to fix the B2793 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2793 2016 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 B2793 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B2793 in a 2016 Toyota RAV4?

- Common symptoms include difficulty starting the vehicle, the engine not turning over, or the key not being recognized by the ignition system.

2. What does OBDII code B2793 indicate in a 2016 Toyota RAV4?

- OBDII code B2793 indicates a transponder chip malfunction, which is related to the vehicle's immobilizer system.

3. What are the possible causes of OBDII code B2793 in a 2016 Toyota RAV4?

- Possible causes include a faulty transponder chip, issues with the key fob, a problem with the immobilizer system, or wiring/connectivity issues.

4. How can I diagnose OBDII code B2793 in my 2016 Toyota RAV4?

- Diagnosing this code typically requires using a professional OBDII scanner to read the specific error code and checking the key fob and transponder chip for any visible damage.

5. Can I fix OBDII code B2793 in my 2016 Toyota RAV4 myself?

- Depending on the root cause, some DIY-friendly fixes include replacing the key fob battery, reprogramming the key fob, or ensuring the transponder chip is properly aligned.

6. Is it safe to continue driving with OBDII code B2793 in a 2016 Toyota RAV4?

- It is not recommended to drive the vehicle with this code unresolved, as it may lead to potential starting or security issues. It's best to address the problem promptly.

7. How much does it typically cost to repair OBDII code B2793 in a 2016 Toyota RAV4?

- The cost of repair can vary depending on the exact cause of the issue. Simple fixes like replacing a key fob battery may be inexpensive, while more complex issues could require professional assistance.

8. Can a locksmith help with fixing OBDII code B2793 in a 2016 Toyota RAV4?

- Locksmiths with experience in automotive transponder systems may be able to assist with diagnosing and fixing issues related to OBDII code B2793, especially if the problem lies with the key fob or transponder chip.

9. Will resetting the ECU clear OBDII code B2793 in a 2016 Toyota RAV4?

- Resetting the ECU may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It's essential to diagnose and fix the root cause of the problem.

10. How can I prevent OBDII code B2793 from occurring in my 2016 Toyota RAV4?

- To prevent this code, ensure regular maintenance of your key fob, avoid physical damage to the transponder chip, and have any immobilizer system issues addressed promptly by a qualified technician.