AutoCodes – Scion – B2779 Scion

B2779 Scion Code - Engine Starter Communication Malfunction

Quick Answer

When an internal malfunction occurs in the Certification ECU (Smart Key ECU Assembly), the Certification ECU (Smart Key ECU Assembly) stores this Diagnostic Trouble Code (DTC). Common causes include Faulty Certification ECU (Smart Key ECU Assembly), Certification ECU harness is open or shorted, Certification ECU 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
B2779 Scion indicates Engine Starter Communication Malfunction.
Common causes
Common causes include Faulty Certification ECU (Smart Key ECU Assembly), Certification ECU harness is open or shorted, Certification ECU 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 441
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 14, 2023
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code B2779 Scion Description

When an internal malfunction occurs in the Certification ECU (Smart Key ECU Assembly), the Certification ECU (Smart Key ECU Assembly) stores this Diagnostic Trouble Code (DTC).
OBDII Code B2779 Scion - Engine Starter Communication Malfunction - AutoCodes.com
B2779 Scion Code - Engine Starter Communication Malfunction

What are the Possible Causes of the DTC B2779 Scion?

  • Faulty Certification ECU (Smart Key ECU Assembly)
  • Certification ECU harness is open or shorted
  • Certification ECU circuit poor electrical connection

How to Fix the DTC B2779 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 B2779 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.

Need more information about the B2779 Scion code?

Need more information on how to fix the B2779 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2779 Scion 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 B2779 Scion Code

1. What are the common symptoms of OBDII code B2779 in a Scion related to Engine Starter Communication Malfunction?

- Common symptoms include difficulty starting the engine, intermittent starting issues, and a non-responsive starter.

2. What are the possible causes of the B2779 code in a Scion?

- The code may be triggered by a faulty starter motor, a malfunctioning starter relay, wiring issues, or a communication problem between the engine control module and the starter.

3. How can I diagnose the Engine Starter Communication Malfunction in a Scion triggering the B2779 code?

- Diagnosis involves checking the starter motor, inspecting the wiring connections, testing the starter relay, and using a diagnostic scanner to communicate with the engine control module.

4. Are there any quick DIY repair tips to address the B2779 code in a Scion?

- DIY repair tips include checking and cleaning the starter connections, inspecting the wiring for damage, ensuring proper ground connections, and testing the starter motor for proper function.

5. Is it safe to continue driving a Scion with the B2779 code indicating Engine Starter Communication Malfunction?

- It is not recommended to drive the vehicle with this code as it can lead to potential starting issues and may leave you stranded if the problem worsens.

6. Can a mechanic reset the B2779 code in a Scion after repairing the Engine Starter Communication issue?

- Yes, a mechanic can reset the code using a diagnostic scanner after addressing the root cause of the Engine Starter Communication Malfunction.

7. Will replacing the starter motor resolve the B2779 code in a Scion?

- While a faulty starter motor can trigger the code, it's essential to diagnose the issue thoroughly as other components like the starter relay or wiring could also be causing the problem.

8. How much can I expect to pay for repairing the B2779 code related to Engine Starter Communication Malfunction in a Scion?

- Repair costs can vary depending on the exact cause of the issue, but you can expect to pay anywhere from $100 to $500 for parts and labor.

9. Can extreme weather conditions affect the occurrence of the B2779 code in a Scion?

- Yes, extreme temperatures can impact the performance of the starter motor and electrical components, potentially leading to the Engine Starter Communication Malfunction triggering the B2779 code.

10. Is it advisable to seek professional help for diagnosing and repairing the B2779 code in a Scion?

- Yes, it is recommended to consult a qualified mechanic or dealership for accurate diagnosis and repair of the Engine Starter Communication Malfunction triggering the B2779 code in your Scion.

Discuss the causes and fixes for B2779 Scion OBDII Code

Code B2779 Scion comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play