AutoCodes – Scion – B2793 Scion

B2793 Scion 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 Scion 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 4,454

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 Scion 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 Scion - Transponder Chip Malfunction - AutoCodes.com — B2793 Scion Code - Transponder Chip Malfunction

What does this mean?

What are the Possible Causes of the DTC B2793 Scion?

Faulty Key
Faulty Transponder Key Coil
Faulty Transponder Key ECU Assembly

How to Fix the DTC B2793 Scion?

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 Scion 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.

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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 B2793 Scion Code

1. What are the common symptoms of OBDII code B2793 in a Scion related to Transponder Chip Malfunction?

- Common symptoms may include issues with starting the vehicle, the engine not turning over, or the security light flashing on the dashboard.

2. What can cause the OBDII code B2793 in a Scion indicating a Transponder Chip Malfunction?

- The code B2793 can be caused by issues with the transponder chip in the vehicle's key, a faulty transponder key, or a problem with the immobilizer system.

3. How can I diagnose the Transponder Chip Malfunction related to OBDII code B2793 in my Scion?

- To diagnose the issue, you may need to use a diagnostic scanner to retrieve the specific trouble code, inspect the transponder key for damage, and check for communication errors between the key and the vehicle's immobilizer system.

4. Can I repair the Transponder Chip Malfunction causing OBDII code B2793 in my Scion myself?

- Depending on the exact cause of the issue, repairs may involve reprogramming the transponder key, replacing a faulty key, or repairing the immobilizer system. It's recommended to consult a professional for accurate diagnosis and repair.

5. Is it safe to continue driving my Scion with OBDII code B2793 due to a Transponder Chip Malfunction?

- It is not recommended to drive the vehicle if the issue is related to the immobilizer system or transponder key, as it may lead to starting problems or potential security risks.

6. How much does it typically cost to repair OBDII code B2793 in a Scion caused by Transponder Chip Malfunction?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for key replacement, reprogramming, or immobilizer system repair. It's advisable to get a professional estimate.

7. Can resetting the vehicle's computer system clear the OBDII code B2793 related to Transponder Chip Malfunction in a Scion?

- Resetting the computer system may temporarily clear the code, but if the root cause of the issue is not addressed, the code is likely to reappear. Proper diagnosis and repair are recommended.

8. Are there any preventive measures I can take to avoid OBDII code B2793 in my Scion due to Transponder Chip Malfunction?

- Regular maintenance of the transponder key, avoiding physical damage to the key, and keeping the immobilizer system well-maintained can help prevent issues leading to code B2793.

9. Can a locksmith help with repairing OBDII code B2793 caused by Transponder Chip Malfunction in a Scion?

- Locksmiths with expertise in automotive keys and immobilizer systems may be able to assist in diagnosing and repairing issues related to the transponder chip or key programming.

10. How long does it usually take to repair OBDII code B2793 in a Scion attributed to Transponder Chip Malfunction?

- The repair time can vary based on the complexity of the issue and the availability of replacement parts. Simple key reprogramming may take a short time, while more involved repairs could require more time.