AutoCodes – Generic – C0126

C0126 Code - Rear Inlet Valve Right

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Rear Inlet Solenoid Valve Right. Common causes include Faulty Rear Inlet Solenoid Valve Right, Rear Inlet Solenoid Valve Right harness is open or shorted, Rear Inlet Solenoid Valve Right 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: C0126 indicates Rear Inlet Valve Right.
Common causes: Common causes include Faulty Rear Inlet Solenoid Valve Right, Rear Inlet Solenoid Valve Right harness is open or shorted, Rear Inlet Solenoid Valve Right 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 6,194

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 May 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0126 Description

The Anti-Lock Brake System (ABS) Module monitors the Rear Inlet Solenoid Valve Right. The ABS Module sets the OBDII code when the Rear Inlet Solenoid Valve Right is not to factory specifications.

OBDII Code C0126 - Rear Inlet Valve Right - AutoCodes.com — C0126 Code - Rear Inlet Valve Right

What does this mean?

What are the Possible Causes of the DTC C0126?

Faulty Rear Inlet Solenoid Valve Right
Rear Inlet Solenoid Valve Right harness is open or shorted
Rear Inlet Solenoid Valve Right circuit poor electrical connection

How to Fix the DTC C0126?

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 C0126 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 C0126 code?

Need more information on how to fix the C0126 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0126 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0126 Subaru — Rear Inlet Valve Right

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 C0126 Code

1. What are the common symptoms of OBDII code C0126 (Rear Inlet Valve Right)?

- Common symptoms include illuminated ABS warning light, traction control system malfunction, and potential loss of stability control.

2. What can cause OBDII code C0126 to trigger?

- The code C0126 is typically triggered by a fault in the rear right inlet valve of the vehicle's ABS system.

3. How can I diagnose the issue related to OBDII code C0126?

- Diagnosing the issue involves using a scan tool to read the fault codes, inspecting the rear right inlet valve for damage or malfunction, and checking the wiring and connections.

4. What are the possible repair options for OBDII code C0126?

- Repair options include cleaning or replacing the rear right inlet valve, repairing any damaged wiring or connections, and resetting the fault codes using a scan tool.

5. Can I continue driving my vehicle with OBDII code C0126?

- It is not recommended to continue driving the vehicle with OBDII code C0126 active, as it can affect the proper functioning of the ABS and traction control systems.

6. How urgent is it to address OBDII code C0126?

- It is important to address OBDII code C0126 promptly to ensure the safety and performance of your vehicle's braking and stability control systems.

7. Are there any DIY tips for fixing OBDII code C0126?

- DIY tips may include checking and cleaning the rear right inlet valve, inspecting the wiring for damage, and ensuring all connections are secure.

8. What are the potential risks of ignoring OBDII code C0126?

- Ignoring OBDII code C0126 can lead to compromised braking performance, reduced traction control, and decreased stability when driving.

9. Can weather conditions affect OBDII code C0126?

- Extreme weather conditions or water exposure can sometimes lead to issues with the ABS system, potentially triggering OBDII code C0126.

10. How can I prevent OBDII code C0126 from recurring in the future?

- To prevent OBDII code C0126 from recurring, regularly inspect and maintain the ABS system components, drive cautiously to avoid harsh braking, and address any warning lights promptly.