AutoCodes – Toyota – C1A02 2017 Toyota RAV4

C1A02 2017 Toyota RAV4 Code - Vehicle Information Not Obtained

Quick Answer

For vehicles with Dynamic Radar Cruise Control System: When a new Driving Support ECU Assembly is installed, it receives vehicle specification information (destination, steering wheel position, 2WD or AWD information, etc.) from the Main Body ECU (Multiplex Network Body ECU) and stores the information. Common causes include Faulty Driving Support ECU Assembly, Driving Support ECU Assembly harness is open or shorted, Driving Support ECU Assembly 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
C1A02 2017 Toyota RAV4 indicates Vehicle Information Not Obtained.
Common causes
Common causes include Faulty Driving Support ECU Assembly, Driving Support ECU Assembly harness is open or shorted, Driving Support ECU Assembly 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 188
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 28, 2023
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Code C1A02 2017 Toyota RAV4 Description

For vehicles with Dynamic Radar Cruise Control System: When a new Driving Support ECU Assembly is installed, it receives vehicle specification information (destination, steering wheel position, 2WD or AWD information, etc.) from the Main Body ECU (Multiplex Network Body ECU) and stores the information. Diagnostic Trouble Code (DTC) C1A02 is stored when the Driving Support ECU Assembly receives the vehicle specification information from the Main Body ECU (Multiplex Network Body ECU) but cannot store it.

For vehicles with Pre-collision System: When a new Driving Support ECU Assembly is installed, it receives vehicle specification information from the Main Body ECU (Multiplex Network Body ECU) and memorizes the information. DTC C1A02 is stored when the Driving Support ECU Assembly receives the vehicle specification information from the Main Body ECU (Multiplex Network Body ECU) but cannot record it.
OBDII Code C1A02 2017 Toyota RAV4 - Vehicle Information Not Obtained - AutoCodes.com
C1A02 2017 Toyota RAV4 Code - Vehicle Information Not Obtained

What are the Possible Causes of the DTC C1A02 2017 Toyota RAV4?

  • Faulty Driving Support ECU Assembly
  • Driving Support ECU Assembly harness is open or shorted
  • Driving Support ECU Assembly circuit poor electrical connection

How to Fix the DTC C1A02 2017 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1A02 2017 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 C1A02 2017 Toyota RAV4 code?

Need more information on how to fix the C1A02 2017 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C1A02 2017 Toyota RAV4 Code

1. What does OBDII code C1A02 mean for a 2017 Toyota RAV4?

The C1A02 code in a 2017 Toyota RAV4 indicates a problem with obtaining vehicle information, often related to the communication system.

2. What are the common symptoms of OBDII code C1A02 in a 2017 Toyota RAV4?

Common symptoms may include issues with the vehicle's display screen, malfunctioning sensors, or warning lights related to vehicle information.

3. What are the possible causes of OBDII code C1A02 in a 2017 Toyota RAV4?

Potential causes of the C1A02 code include faulty communication modules, damaged wiring, software glitches, or issues with the vehicle's network system.

4. How can I diagnose OBDII code C1A02 in my 2017 Toyota RAV4?

Diagnosing this code typically involves using a diagnostic scanner to retrieve specific error codes and conducting a thorough inspection of the vehicle's communication modules and wiring.

5. Can I continue driving my 2017 Toyota RAV4 with OBDII code C1A02?

It is generally not recommended to continue driving the vehicle with an unresolved C1A02 code, as it may lead to potential safety hazards or affect the vehicle's performance.

6. How can I repair OBDII code C1A02 in my 2017 Toyota RAV4?

Repairing this code may involve checking and repairing any damaged wiring, replacing faulty communication modules, updating software, or resetting the vehicle's network system.

7. Is it possible to reset OBDII code C1A02 in a 2017 Toyota RAV4?

Resetting the code can be done using a diagnostic scanner to clear the error code after addressing the underlying issue causing the C1A02 code.

8. Can a DIY enthusiast fix OBDII code C1A02 in a 2017 Toyota RAV4?

While some simple checks like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing complex issues related to the C1A02 code may require professional assistance.

9. How much does it cost to fix OBDII code C1A02 in a 2017 Toyota RAV4?

The cost of fixing the C1A02 code can vary depending on the specific cause of the issue, parts needed for repair, labor costs, and whether the repair is done at a dealership or an independent mechanic.

10. Are there any recalls related to OBDII code C1A02 in 2017 Toyota RAV4 vehicles?

It's advisable to check with Toyota or the National Highway Traffic Safety Administration (NHTSA) for any recalls or technical service bulletins related to the C1A02 code in 2017 Toyota RAV4 models.

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