AutoCodes – Jaguar – C1266 Jaguar

C1266 Jaguar 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 Jaguar 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 7,010
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 04, 2024
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Code C1266 Jaguar 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 Jaguar - Anti-Lock Brake System Power Valve Relay Circuit Failure - AutoCodes.com
C1266 Jaguar Code - Anti-Lock Brake System Power Valve Relay Circuit Failure

What are the Possible Causes of the DTC C1266 Jaguar?

  • 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 Jaguar?

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 Jaguar 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 C1266 Jaguar code?

Need more information on how to fix the C1266 Jaguar code? Get Access to Factory Service Manuals

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 Jaguar Code

1. What are common symptoms of OBDII code C1266 in a Jaguar related to the Anti-Lock Brake System Power Valve Relay Circuit Failure?

- Common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of ABS functionality, and unusual brake pedal behavior.

2. What are some possible causes of OBDII code C1266 in a Jaguar?

- Possible causes include a faulty power valve relay, damaged wiring or connectors in the ABS system, low brake fluid levels, or issues with the ABS control module.

3. How can I diagnose OBDII code C1266 in a Jaguar?

- Diagnosing this code typically involves using a professional OBDII scanner to read the specific fault codes, conducting a visual inspection of the ABS system components, and testing the power valve relay and related circuits.

4. Can I continue driving my Jaguar with OBDII code C1266 present?

- It is not recommended to drive the vehicle with this code present as it can affect the proper functioning of the Anti-Lock Brake System, potentially compromising safety during braking.

5. How can I repair OBDII code C1266 in a Jaguar?

- Repairing this code usually involves replacing the faulty power valve relay, repairing damaged wiring or connectors, ensuring proper brake fluid levels, and resetting the ABS system.

6. Is it possible to reset OBDII code C1266 in a Jaguar without fixing the underlying issue?

- While you can clear the fault code temporarily, it will likely reappear if the underlying issue causing the Anti-Lock Brake System Power Valve Relay Circuit Failure is not addressed.

7. Are there any DIY tips for troubleshooting OBDII code C1266 in a Jaguar?

- DIY tips include checking for loose or damaged wiring in the ABS system, ensuring the power valve relay is functioning correctly, and verifying the brake fluid level is adequate.

8. How long does it typically take to repair OBDII code C1266 in a Jaguar?

- The repair time can vary depending on the exact cause of the code, but it usually takes a few hours to diagnose and fix the issue.

9. Can a mechanic help with fixing OBDII code C1266 in a Jaguar?

- Yes, a qualified mechanic experienced with Jaguar vehicles can diagnose and repair OBDII code C1266 related to the Anti-Lock Brake System Power Valve Relay Circuit Failure.

10. Will OBDII code C1266 in a Jaguar affect the vehicle's overall performance?

- While the code itself may not directly affect the engine performance, it can impact the ABS system's functionality, potentially compromising braking performance and safety.

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