AutoCodes – Toyota – U0235 2013 Toyota RAV4

U0235 2013 Toyota RAV4 Code - Lost Communication with Cruise Control Front Distance Range Sensor

Quick Answer

The Controller Area Network (CAN) is a standard bus system in vehicles that enables the connection of automotive devices without the need for a host computer. Common causes include Faulty Controller Area Network (CAN) Communication System, Faulty Cruise Control Front Distance Range Sensor, Cruise Control Front Distance Range Sensor 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: U0235 2013 Toyota RAV4 indicates Lost Communication with Cruise Control Front Distance Range Sensor.
Common causes: Common causes include Faulty Controller Area Network (CAN) Communication System, Faulty Cruise Control Front Distance Range Sensor, Cruise Control Front Distance Range Sensor 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 198

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 Mar 27, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code U0235 2013 Toyota RAV4 Description

The Controller Area Network (CAN) is a standard bus system in vehicles that enables the connection of automotive devices without the need for a host computer. The exchange of operating information and commands among devices is facilitated by pre-programmed information about the required message exchange on the serial data circuits. Communication is carried out using two dedicated wires, known as CAN high and CAN low, with both lines carrying 2.5V when the CAN bus is in idle mode. During the transmission of data bits, the CAN high line increases to 3.75V while the CAN low drops to 1.25V, creating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Cruise Control Front Distance Range Sensor has not been received.

OBDII Code U0235 2013 Toyota RAV4 - Lost Communication with Cruise Control Front Distance Range Sensor - AutoCodes.com — U0235 2013 Toyota RAV4 Code - Lost Communication with Cruise Control Front Distance Range Sensor

What does this mean?

What are the Possible Causes of the DTC U0235 2013 Toyota RAV4?

Faulty Controller Area Network (CAN) Communication System
Faulty Cruise Control Front Distance Range Sensor
Cruise Control Front Distance Range Sensor harness is open or shorted
Cruise Control Front Distance Range Sensor circuit poor electrical connection

How to Fix the DTC U0235 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 does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0235 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.

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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 U0235 2013 Toyota RAV4 Code

What does the OBDII code U0235 mean for a 2013 Toyota RAV4?

The U0235 code means the vehicle has lost communication with the Cruise Control Front Distance Range Sensor, which is crucial for adaptive cruise control and collision avoidance features.

What are the common symptoms of the U0235 code in a Toyota RAV4?

Symptoms may include the adaptive cruise control not working, a check engine light or other warning lights on the dashboard, and possibly reduced functionality of other driver-assistance systems.

What causes the U0235 code to appear?

Common causes include a faulty front distance range sensor, damaged wiring or connectors, a malfunctioning control module, or issues with the vehicleâ€™s CAN (Controller Area Network) communication system.

Can I drive my 2013 Toyota RAV4 with the U0235 code?

Yes, the vehicle is typically drivable, but safety features like adaptive cruise control may not function properly, so extra caution is advised.

How is the U0235 code diagnosed?

A mechanic will use a scan tool to check for related trouble codes, inspect the wiring and connections to the sensor, test the sensor itself, and verify the integrity of the CAN communication system.

How do I fix the U0235 code on my Toyota RAV4?

Repairs may involve replacing the front distance range sensor, repairing damaged wiring or connectors, reprogramming or replacing the control module, or addressing CAN communication issues.

How much does it cost to fix the U0235 code in a 2013 Toyota RAV4?

Repair costs can vary, but sensor replacement typically ranges from $300 to $600, while wiring repairs or module replacements may cost more depending on labor and parts.

Can a dead battery cause the U0235 code?

Yes, a weak or dead battery can disrupt communication in the vehicleâ€™s systems and potentially trigger the U0235 code.

Do I need to reset the code after repairs?

Yes, after addressing the issue, the code should be cleared using an OBDII scan tool, and the system should be retested to ensure the problem is resolved.

Is the U0235 code unique to Toyota vehicles?

No, the U0235 code is a generic OBDII code that can appear in other makes and models equipped with adaptive cruise control or distance range sensors.