Engine-CodesToyota – U1117 2017 Toyota RAV4

U1117 2017 Toyota RAV4 Code - Lost Communication with Accessory Gateway

Quick Answer

The U1117 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates that there is a communication error with the Accessory Gateway module. Common causes include Damaged wiring, Faulty connectors, Malfunctioning Accessory Gateway module. 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
U1117 2017 Toyota RAV4 indicates Lost Communication with Accessory Gateway.
Common causes
Common causes include Damaged wiring, Faulty connectors, Malfunctioning Accessory Gateway module.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
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

Code U1117 2017 Toyota RAV4 Description

The U1117 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates that there is a communication error with the Accessory Gateway module. The Accessory Gateway module is responsible for controlling various accessories in the vehicle, such as power windows, radio, and interior lights. When communication is lost with this module, it can lead to issues with the proper functioning of these accessories.

OBDII Code U1117 2017 Toyota RAV4 - Lost Communication with Accessory Gateway
U1117 2017 Toyota RAV4 Code - Lost Communication with Accessory Gateway

Common Causes of U1117 2017 Toyota RAV4

  1. Damaged wiring
  2. Faulty connectors
  3. Malfunctioning Accessory Gateway module
  4. Corrosion in the electrical system
  5. Water damage to the module

Symptoms of U1117 2017 Toyota RAV4

  1. Power windows not functioning
  2. Radio not working properly
  3. Interior lights not turning on
  4. Intermittent issues with accessories controlled by the Accessory Gateway module

How to Fix U1117 2017 Toyota RAV4

  1. Perform a thorough inspection of the wiring and connectors to check for any damage or corrosion.
  2. Test the Accessory Gateway module to determine if it is functioning properly.
  3. Replace any damaged wiring or connectors found during the inspection.
  4. If the Accessory Gateway module is faulty, replace it with a new one.
  5. Clear the DTC and test the vehicle to ensure the issue has been resolved.

Cost to Fix U1117 2017 Toyota RAV4

The typical repair costs for addressing a U1117 code on a 2017 Toyota RAV4 can range from $200 to $500, including parts and labor. This estimate may vary based on the specific diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. It is advisable to check with local repair shops for a more accurate estimate based on your location and vehicle model.

Tech Notes for U1117 2017 Toyota RAV4

When there are problems with the way different systems in a vehicle communicate with each other using a technology called Controller Area Network (CAN) communication, Diagnostic Trouble Codes (DTC) are displayed. These codes can be caused by issues with the main bus or branch of the communication network, or with the Electronic Control Units (ECUs) and sensors that make up the different systems. If you see code for both the CAN communication problems and internal or power source problems at the same time, you should focus on fixing the internal or power source problems first.

Need more information about the U1117 2017 Toyota RAV4 code?

Need more information on how to fix the U1117 2017 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1117 2017 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 U1117 2017 Toyota RAV4 Code

1. What does the OBDII code U1117 for a 2017 Toyota RAV4 mean?

The code U1117 indicates a "Lost Communication with Accessory Gateway" error in the vehicle's communication system.

2. What are the common symptoms of the U1117 code on a 2017 Toyota RAV4?

Common symptoms include issues with the vehicle's accessories, such as power windows, door locks, or entertainment system not functioning properly.

3. What can cause the U1117 code to appear on a 2017 Toyota RAV4?

Possible causes for the U1117 code include damaged wiring, a faulty accessory gateway module, loose connections, or a malfunction in the communication network.

4. How can I diagnose the U1117 code on my 2017 Toyota RAV4?

Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring and connections related to the accessory gateway module, and testing the module itself for proper functionality.

5. Is it safe to drive with the U1117 code present on a 2017 Toyota RAV4?

It is generally not recommended to drive with the U1117 code active, as it can affect the proper functioning of essential vehicle accessories.

6. How can I repair the U1117 code on my 2017 Toyota RAV4?

Repairing the U1117 code may involve repairing or replacing damaged wiring, fixing loose connections, or replacing the faulty accessory gateway module.

7. Can I reset the U1117 code on my 2017 Toyota RAV4 without making repairs?

While you can clear the trouble code with a diagnostic scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. Will the U1117 code on a 2017 Toyota RAV4 cause any damage if left unattended?

Leaving the U1117 code unresolved could potentially lead to further electrical issues in the vehicle and impact the functionality of important accessories.

9. How much does it cost to repair the U1117 code on a 2017 Toyota RAV4?

The cost of repairing the U1117 code can vary depending on the exact cause of the issue, parts needed for repair, and labor costs at the repair facility.

10. Can a DIY enthusiast fix the U1117 code on a 2017 Toyota RAV4?

While some basic troubleshooting and repairs may be possible for DIY enthusiasts, it is recommended to seek professional help for diagnosing and fixing complex electrical issues like the U1117 code.

Discuss the causes and fixes for U1117 2017 Toyota RAV4 OBDII Code

Code U1117 2017 Toyota RAV4 comments

No comments found for this page.