B2779 2014 Toyota RAV4 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 2014 Toyota RAV4 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.
Code B2779 2014 Toyota RAV4 Description
What are the Possible Causes of the DTC B2779 2014 Toyota RAV4?
- 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 2014 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 B2779 2014 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 B2779 2014 Toyota RAV4 code?
Need more information on how to fix the B2779 2014 Toyota RAV4 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2779 2014 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B2779 2014 Toyota RAV4 Code
What does OBDII code B2779 mean for a 2014 Toyota RAV4?
Code B2779 indicates an "Engine Starter Communication Malfunction," meaning there is an issue with communication between the starter control module and other system components.
What are the common symptoms of code B2779 in a 2014 Toyota RAV4?
Symptoms may include the engine not starting, intermittent starting issues, or a "Check Engine" light illuminated on the dashboard.
What causes the B2779 code in a 2014 Toyota RAV4?
Common causes include a faulty starter control module, damaged wiring or connectors, or an issue with the keyless entry system.
Can a weak battery trigger code B2779 in a 2014 Toyota RAV4?
Yes, a weak or failing battery can cause communication issues, resulting in the B2779 code.
How do you diagnose code B2779 on a 2014 Toyota RAV4?
Diagnosis typically involves using an OBDII scanner, checking wiring and connectors, testing the starter control module, and verifying the battery’s condition.
Is code B2779 unique to the 2014 Toyota RAV4?
No, this code can appear in other Toyota models equipped with a similar starter communication system.
Can I drive my 2014 Toyota RAV4 with code B2779?
Driving may be possible, but starting issues could leave you stranded. It’s best to address the problem promptly.
How much does it typically cost to fix code B2779 on a 2014 Toyota RAV4?
Repair costs vary but may range from $100 to $500, depending on whether you need a new starter control module or just wiring repairs.
Can resetting the code fix the B2779 problem in a 2014 Toyota RAV4?
Resetting the code might temporarily clear it, but the issue will likely reoccur unless the underlying problem is resolved.
Should I take my 2014 Toyota RAV4 to a mechanic for code B2779?
Yes, if you're not experienced with electrical diagnostics and repairs, a professional mechanic can accurately diagnose and fix the issue.
Discuss the causes and fixes for B2779 2014 Toyota RAV4 OBDII Code
Code B2779 2014 Toyota RAV4 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
