AutoCodes – Toyota – B2274 2013 Toyota RAV4

B2274 2013 Toyota RAV4 Code - ACC Monitor Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is stored when a malfunction in the ACC output circuit is detected. Common causes include Faulty ACC Relay, Faulty Certification ECU (Smart Key ECU Assembly), Certification ECU harness is open or shorted. 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: B2274 2013 Toyota RAV4 indicates ACC Monitor Malfunction.
Common causes: Common causes include Faulty ACC Relay, Faulty Certification ECU (Smart Key ECU Assembly), Certification ECU harness is open or shorted.
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 206

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 13, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2274 2013 Toyota RAV4 Description

This Diagnostic Trouble Code (DTC) is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit that goes from the ACC output terminal of the Certification ECU (Smart Key ECU Assembly) to the ACC Relay.

OBDII Code B2274 2013 Toyota RAV4 - ACC Monitor Malfunction - AutoCodes.com — B2274 2013 Toyota RAV4 Code - ACC Monitor Malfunction

What does this mean?

What are the Possible Causes of the DTC B2274 2013 Toyota RAV4?

Faulty ACC Relay
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 B2274 2013 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 B2274 2013 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 B2274 2013 Toyota RAV4 code?

Need more information on how to fix the B2274 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2274 2013 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 B2274 2013 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B2274 in a 2013 Toyota RAV4?

- Common symptoms include the malfunction indicator light (MIL) illuminating, issues with the adaptive cruise control system, and potential loss of cruise control functionality.

2. What does the OBDII code B2274 on a 2013 Toyota RAV4 indicate?

- OBDII code B2274 indicates a malfunction in the ACC (Adaptive Cruise Control) monitor system of the vehicle.

3. What are the possible causes of the ACC Monitor Malfunction code B2274 in a 2013 Toyota RAV4?

- Possible causes include faulty ACC sensor, wiring issues in the ACC system, a malfunctioning ACC control module, or software glitches in the system.

4. How can I diagnose the ACC Monitor Malfunction code B2274 in my 2013 Toyota RAV4?

- Diagnosis involves using an OBDII scanner to retrieve the specific trouble code, inspecting the ACC components for visible damage, and testing the sensors and wiring for continuity and proper function.

5. Can I still drive my 2013 Toyota RAV4 with the B2274 code present?

- It is generally safe to drive the vehicle with the B2274 code, but it is recommended to address the issue promptly to avoid any potential safety risks or further damage to the ACC system.

6. How can I reset the B2274 code in my 2013 Toyota RAV4?

- Resetting the code can be done using an OBDII scanner by clearing the code after addressing the underlying issue causing the ACC Monitor Malfunction.

7. What are some tips for repairing the ACC Monitor Malfunction code B2274 in a 2013 Toyota RAV4?

- Tips include checking and cleaning the ACC sensors, ensuring proper wiring connections, updating the ACC system software if applicable, and seeking professional help if needed.

8. Is the ACC Monitor Malfunction code B2274 a common issue in 2013 Toyota RAV4 vehicles?

- While not extremely common, the B2274 code can occur in 2013 Toyota RAV4 models due to various factors affecting the ACC system components.

9. Can a DIY enthusiast fix the ACC Monitor Malfunction code B2274 in a 2013 Toyota RAV4?

- Depending on the specific cause of the code, some DIY enthusiasts with automotive repair experience may be able to address the B2274 issue themselves by following proper diagnostic and repair procedures.

10. How much does it cost to repair the ACC Monitor Malfunction code B2274 in a 2013 Toyota RAV4?

- Repair costs can vary significantly based on the root cause of the issue, parts needed for replacement, labor rates, and whether the repair is done at a dealership or an independent repair shop.