AutoCodesToyota – C1A02 2014 Toyota RAV4

C1A02 2014 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 2014 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.
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Code Popularity 221
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 2014 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 2014 Toyota RAV4 - Vehicle Information Not Obtained - AutoCodes.com
C1A02 2014 Toyota RAV4 Code - Vehicle Information Not Obtained

What are the Possible Causes of the DTC C1A02 2014 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 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1A02 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 C1A02 2014 Toyota RAV4 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 2014 Toyota RAV4 Code

What does the OBDII code C1A02 mean on a 2014 Toyota RAV4?

The code C1A02 indicates "Vehicle Information Not Obtained," meaning the system is unable to retrieve specific vehicle information, often related to the pre-collision or ADAS system.

What are common symptoms of the C1A02 code on a 2014 Toyota RAV4?

Symptoms may include a malfunction indicator light (MIL), pre-collision system warnings, or ADAS features being disabled.

What causes the C1A02 code on a 2014 Toyota RAV4?

Common causes include communication issues between control modules, faulty sensors, incorrect vehicle information programming, or damaged wiring.

Can I drive my 2014 Toyota RAV4 with the C1A02 code active?

Yes, you can usually drive the vehicle, but safety features like the pre-collision system may not function correctly.

How do I diagnose the C1A02 code on a 2014 Toyota RAV4?

Use an OBDII scanner to check for related codes, inspect the vehicle’s communication network, and verify the integrity of wiring and connections.

What repairs are typically needed for the C1A02 code?

Repairs may include reprogramming control modules, repairing damaged wiring, or replacing faulty sensors.

How much does it cost to fix the C1A02 code on a 2014 Toyota RAV4?

Repair costs vary but can range from $100 to $500, depending on whether reprogramming or part replacement is needed.

Can a dead battery cause the C1A02 code?

Yes, a weak or dead battery can cause communication issues between modules, potentially triggering this code.

Do I need to reprogram the ECU to fix the C1A02 code?

Reprogramming may be necessary if the vehicle's control unit has lost or corrupted vehicle information.

Will clearing the C1A02 code solve the issue?

Clearing the code may temporarily remove the warning, but the underlying issue must be addressed to prevent the code from returning.

Discuss the causes and fixes for C1A02 2014 Toyota RAV4 OBDII Code

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