AutoCodes – Generic – C0123

C0123 Code - Front Outlet Valve Right

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Front Outlet Solenoid Valve Right. Common causes include Faulty Front Outlet Solenoid Valve Right, Front Outlet Solenoid Valve Right harness is open or shorted, Front Outlet 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: C0123 indicates Front Outlet Valve Right.
Common causes: Common causes include Faulty Front Outlet Solenoid Valve Right, Front Outlet Solenoid Valve Right harness is open or shorted, Front Outlet 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 3,657

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 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0123 Description

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

OBDII Code C0123 - Front Outlet Valve Right - AutoCodes.com — C0123 Code - Front Outlet Valve Right

What does this mean?

What are the Possible Causes of the DTC C0123?

Faulty Front Outlet Solenoid Valve Right
Front Outlet Solenoid Valve Right harness is open or shorted
Front Outlet Solenoid Valve Right circuit poor electrical connection

How to Fix the DTC C0123?

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 C0123 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 C0123 code?

Need more information on how to fix the C0123 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0123 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0123 Subaru — Front Outlet 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 C0123 Code

1. What are the common symptoms of OBDII code C0123 (Front Outlet Valve Right)?

The common symptoms of OBDII code C0123 (Front Outlet Valve Right) include issues with brake performance, such as decreased braking power or uneven braking.

2. What are the possible causes of OBDII code C0123?

Possible causes of OBDII code C0123 include a malfunctioning front outlet valve on the right side, damaged wiring or connectors related to the valve, or issues with the brake system's hydraulic control unit.

3. How can I diagnose the OBDII code C0123?

Diagnosing OBDII code C0123 involves using a scan tool to retrieve the code, checking the front outlet valve on the right side for proper operation, inspecting the wiring and connectors for damage, and testing the brake system's hydraulic control unit.

4. Can I continue driving with OBDII code C0123 present?

It is not recommended to continue driving with OBDII code C0123 present, as it can affect the vehicle's braking performance and compromise safety. It is best to address the issue promptly.

5. How can I repair OBDII code C0123?

Repairing OBDII code C0123 may involve replacing the front outlet valve on the right side, repairing or replacing damaged wiring or connectors, or addressing any issues with the brake system's hydraulic control unit.

6. Are there any DIY tips for fixing OBDII code C0123?

While some DIY enthusiasts may attempt to address OBDII code C0123 themselves, it is recommended to have a qualified mechanic diagnose and repair the issue to ensure the safety and proper functioning of the brake system.

7. Is OBDII code C0123 a serious issue?

OBDII code C0123 should be taken seriously as it can impact the vehicle's braking performance. Prompt diagnosis and repair are recommended to prevent safety risks associated with brake malfunctions.

8. How much does it typically cost to repair OBDII code C0123?

The cost of repairing OBDII code C0123 can vary depending on the specific cause of the issue, the vehicle make and model, and labor rates in your area. It is advisable to consult a mechanic for an accurate cost estimate.

9. Can OBDII code C0123 cause other problems in the vehicle?

While OBDII code C0123 primarily relates to the front outlet valve on the right side and brake system performance, unresolved issues can potentially lead to further brake-related problems if left unattended.

10. How can I prevent OBDII code C0123 from occurring again in the future?

Regular maintenance of the brake system, including checking for leaks, inspecting valves and connectors, and addressing any issues promptly, can help prevent the recurrence of OBDII code C0123.