AutoCodes – Ford – C1266 Ford

C1266 Ford Code - Anti-Lock Brake System Power Valve Relay Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Anti-Lock Brake System Power Valve Relay. Common causes include Faulty Anti-Lock Brake System Power Valve Relay, Anti-Lock Brake System Power Valve Relay harness is open or shorted, Anti-Lock Brake System Power Valve Relay 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: C1266 Ford indicates Anti-Lock Brake System Power Valve Relay Circuit Failure.
Common causes: Common causes include Faulty Anti-Lock Brake System Power Valve Relay, Anti-Lock Brake System Power Valve Relay harness is open or shorted, Anti-Lock Brake System Power Valve Relay 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 19,500

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 Apr 04, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1266 Ford Description

The Anti-Lock Brake System (ABS) Module monitors the Anti-Lock Brake System Power Valve Relay. Fused battery voltage is supplied to the ABS module from the central junction box (CJB) to activate the valve assembly. The Diagnostic Trouble Code (DTC) C1266 ABS Valve Power Relay Circuit Failure will be set if the ABS module detects an open or a short to ground on the valve power feed circuit.

OBDII Code C1266 Ford - Anti-Lock Brake System Power Valve Relay Circuit Failure - AutoCodes.com — C1266 Ford Code - Anti-Lock Brake System Power Valve Relay Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1266 Ford?

Faulty Anti-Lock Brake System Power Valve Relay
Anti-Lock Brake System Power Valve Relay harness is open or shorted
Anti-Lock Brake System Power Valve Relay circuit poor electrical connection
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C1266 Ford?

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 C1266 Ford 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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Need Help with the Code?

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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 C1266 Ford Code

1. What are the common symptoms of OBDII code C1266 in a Ford vehicle?

The common symptoms of OBDII code C1266 include the ABS warning light illuminating on the dashboard, poor brake performance, and potential activation of the vehicle's limp mode.

2. What does the OBDII code C1266 for a Ford indicate?

OBDII code C1266 for Ford indicates a failure in the Anti-Lock Brake System Power Valve Relay Circuit.

3. What are the possible causes of OBDII code C1266 in a Ford vehicle?

Possible causes of OBDII code C1266 in a Ford vehicle include a faulty power valve relay, damaged wiring or connectors in the ABS system, or a malfunctioning ABS control module.

4. How serious is the OBDII code C1266 in a Ford vehicle?

OBDII code C1266 is a serious issue as it affects the proper functioning of the Anti-Lock Brake System, potentially compromising the vehicle's braking performance and safety.

5. Can I continue driving with OBDII code C1266 in my Ford vehicle?

It is not recommended to continue driving with OBDII code C1266 present in your Ford vehicle, as it can lead to unstable braking performance and safety risks.

6. How can OBDII code C1266 in a Ford be diagnosed?

Diagnosing OBDII code C1266 in a Ford vehicle involves using a diagnostic scanner to retrieve the code, inspecting the ABS system components, checking the power valve relay, and performing electrical tests.

7. What are some repair tips for addressing OBDII code C1266 in a Ford?

Repair tips for OBDII code C1266 in a Ford include checking and replacing the power valve relay, repairing any damaged wiring or connectors, and resetting the ABS system after the repair.

8. Can OBDII code C1266 in a Ford be fixed at home?

Fixing OBDII code C1266 in a Ford may be possible at home for experienced DIYers with the necessary tools and knowledge of automotive electrical systems. However, professional assistance is recommended for accurate diagnosis and repair.

9. How much does it cost to repair OBDII code C1266 in a Ford vehicle?

The cost to repair OBDII code C1266 in a Ford vehicle can vary depending on the exact cause of the issue, the required parts, and labor rates. It is advisable to obtain quotes from automotive professionals for an accurate estimate.

10. Is it necessary to reset the OBDII code C1266 after making repairs in a Ford vehicle?

Yes, it is necessary to reset the OBDII code C1266 after making repairs in a Ford vehicle to clear the fault code from the system and ensure proper functioning of the Anti-Lock Brake System.