AutoCodes – Toyota – C120C 2015 Toyota RAV4

C120C 2015 Toyota RAV4 Code - Linear Solenoid Power Supply System Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is output by the Four-Wheel Drive (4WD) ECU Assembly if a malfunction occurs in the linear solenoid power supply system. Common causes include Faulty Four-Wheel Drive (4WD) ECU Assembly, 4WD ECU Assembly harness is open or shorted, 4WD 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: C120C 2015 Toyota RAV4 indicates Linear Solenoid Power Supply System Malfunction.
Common causes: Common causes include Faulty Four-Wheel Drive (4WD) ECU Assembly, 4WD ECU Assembly harness is open or shorted, 4WD 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 184

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 18, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C120C 2015 Toyota RAV4 Description

This Diagnostic Trouble Code (DTC) is output by the Four-Wheel Drive (4WD) ECU Assembly if a malfunction occurs in the linear solenoid power supply system.

OBDII Code C120C 2015 Toyota RAV4 - Linear Solenoid Power Supply System Malfunction - AutoCodes.com — C120C 2015 Toyota RAV4 Code - Linear Solenoid Power Supply System Malfunction

What does this mean?

What are the Possible Causes of the DTC C120C 2015 Toyota RAV4?

Faulty Four-Wheel Drive (4WD) ECU Assembly
4WD ECU Assembly harness is open or shorted
4WD ECU Assembly circuit poor electrical connection

How to Fix the DTC C120C 2015 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 C120C 2015 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 C120C 2015 Toyota RAV4 code?

Need more information on how to fix the C120C 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C120C 2015 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 C120C 2015 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C120C in a 2015 Toyota RAV4?

The common symptoms of OBDII code C120C in a 2015 Toyota RAV4 include transmission shifting issues, hesitation during acceleration, and potential stalling.

2. What does the OBDII code C120C indicate in a 2015 Toyota RAV4?

OBDII code C120C in a 2015 Toyota RAV4 indicates a Linear Solenoid Power Supply System Malfunction, specifically related to the transmission system.

3. What are the possible causes of OBDII code C120C in a 2015 Toyota RAV4?

Possible causes of OBDII code C120C in a 2015 Toyota RAV4 include faulty linear solenoid, wiring issues, low transmission fluid, or a malfunctioning transmission control module.

4. How can I diagnose the OBDII code C120C in my 2015 Toyota RAV4?

Diagnosing OBDII code C120C in a 2015 Toyota RAV4 typically involves using a diagnostic scanner to retrieve the code, checking the transmission fluid level and condition, inspecting the wiring harness, and testing the linear solenoid.

5. Can I drive my 2015 Toyota RAV4 with OBDII code C120C?

It is not recommended to drive your 2015 Toyota RAV4 with OBDII code C120C, as it can lead to further damage to the transmission system. It's advisable to address the issue promptly.

6. How can I repair OBDII code C120C in my 2015 Toyota RAV4?

Repairing OBDII code C120C in a 2015 Toyota RAV4 may involve replacing the faulty linear solenoid, repairing any damaged wiring, ensuring proper transmission fluid levels, or reprogramming the transmission control module.

7. Is it safe to reset the OBDII code C120C in my 2015 Toyota RAV4?

While resetting the code may temporarily clear the warning light, it's essential to address the underlying issue causing OBDII code C120C in your 2015 Toyota RAV4 to prevent future problems.

8. How much does it cost to fix OBDII code C120C in a 2015 Toyota RAV4?

The cost of fixing OBDII code C120C in a 2015 Toyota RAV4 can vary depending on the exact cause of the issue, parts needed for repair, and labor costs. It's recommended to consult a professional mechanic for an accurate estimate.

9. Can a DIY enthusiast repair OBDII code C120C in a 2015 Toyota RAV4?

While some enthusiasts with experience in automotive repair may be able to address OBDII code C120C in a 2015 Toyota RAV4, it's a complex issue related to the transmission system, and it's often best left to professional mechanics.

10. How often does OBDII code C120C occur in 2015 Toyota RAV4 vehicles?

OBDII code C120C, indicating a Linear Solenoid Power Supply System Malfunction, is relatively uncommon in 2015 Toyota RAV4 vehicles but can occur due to various factors affecting the transmission system.