C120C 2016 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 2016 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.
Code C120C 2016 Toyota RAV4 Description
What are the Possible Causes of the DTC C120C 2016 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 2016 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 2016 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 2016 Toyota RAV4 code?
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Frequently Asked Questions about C120C 2016 Toyota RAV4 Code
1. What does OBDII code C120C mean on a 2016 Toyota RAV4?
C120C indicates a "Linear Solenoid Power Supply System Malfunction," meaning there’s an issue with the power supply to the solenoid responsible for controlling certain braking or stability functions.
2. What are the common symptoms of code C120C in a Toyota RAV4?
Common symptoms include ABS and traction control warning lights illuminating, reduced braking performance, or the vehicle’s stability control system not functioning properly.
3. What causes the C120C code to appear in a 2016 Toyota RAV4?
Possible causes include a faulty linear solenoid, damaged wiring or connectors in the solenoid circuit, a blown fuse, or a malfunctioning ABS control module.
4. Can I continue driving my Toyota RAV4 with a C120C code?
It’s possible to drive the vehicle, but it’s not recommended as the ABS and stability control systems may not function properly, increasing the risk of unsafe driving conditions.
5. How do I diagnose the C120C code on my 2016 Toyota RAV4?
Diagnosis involves scanning for additional trouble codes, visually inspecting the wiring and connectors, checking fuses, and testing the voltage and continuity of the solenoid circuit.
6. What repair steps are typically required for a C120C code?
Repairs may include replacing a blown fuse, repairing damaged wiring or connectors, replacing the linear solenoid, or addressing issues with the ABS control module.
7. How much does it cost to fix the C120C code on a Toyota RAV4?
The repair cost varies depending on the exact issue. Simple fixes like replacing a fuse may cost under $50, while replacing the ABS module or solenoid can cost $300-$1,000 or more.
8. Can a weak battery cause the C120C code to trigger?
Yes, a weak or failing battery can lead to power supply issues, potentially triggering the C120C code. Ensure your battery is in good condition before proceeding with other repairs.
9. Will clearing the C120C code solve the problem?
Clearing the code will turn off the warning lights temporarily, but if the underlying issue isn’t resolved, the code will likely reappear.
10. Is the C120C code related to the ABS system?
Yes, the C120C code is directly related to the ABS and stability control systems, as the linear solenoid is a critical component in their operation.
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