AutoCodes – Jaguar – U1262 Jaguar

U1262 Jaguar Code - Communication Bus Fault

Quick Answer

This code indicates a communication issue (Bus+, Bus-) between the Passive Anti-Theft Systems (PATS)/Hybrid Electronic Cluster (HEC)/Ignition Control Module (ICM) and some other modules. Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module (PCM) harness is open or shorted, Powertrain Control Module (PCM) 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: U1262 Jaguar indicates Communication Bus Fault.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), Powertrain Control Module (PCM) harness is open or shorted, Powertrain Control Module (PCM) 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 4,755

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1262 Jaguar Description

This code indicates a communication issue (Bus+, Bus-) between the Passive Anti-Theft Systems (PATS)/Hybrid Electronic Cluster (HEC)/Ignition Control Module (ICM) and some other modules. Do not perform PATS diagnostics if a no start is not reported of if the theft indicator is not flashing rapidly at ignition RUN position. If the indicator is flashing, check to make sure the Powertrain Control Module (PCM) is powered up and operating. If it's not, continue with PCM diagnostics.

OBDII Code U1262 Jaguar - Communication Bus Fault - AutoCodes.com — U1262 Jaguar Code - Communication Bus Fault

What does this mean?

What are the Possible Causes of the DTC U1262 Jaguar?

Faulty Powertrain Control Module (PCM)
Powertrain Control Module (PCM) harness is open or shorted
Powertrain Control Module (PCM) circuit poor electrical connection

How to Fix the DTC U1262 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 U1262 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 U1262 Jaguar 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 U1262 Jaguar Code

1. What are common symptoms of the U1262 Jaguar OBDII code?

- Common symptoms include intermittent or complete loss of communication with various vehicle modules, dashboard warning lights, and issues with vehicle systems like the radio or air conditioning.

2. What can cause the U1262 Jaguar code to appear?

- The U1262 code typically indicates a communication bus fault, which can be caused by damaged wiring, loose connections, faulty modules, or a problem with the vehicle's network communication system.

3. How can I diagnose the U1262 code in my Jaguar?

- Diagnosing the U1262 code involves using a diagnostic scanner to communicate with the vehicle's on-board computer to identify the specific module or bus line experiencing communication issues.

4. Are there any DIY repair tips for the U1262 code?

- DIY repair tips for the U1262 code may include checking for loose or damaged wiring, inspecting connectors for corrosion, and ensuring proper grounding of the vehicle's electrical system.

5. Can I still drive my Jaguar with the U1262 OBDII code present?

- It is not recommended to drive your Jaguar with the U1262 code present, as it can indicate underlying issues that may affect the vehicle's safety and performance.

6. How much does it typically cost to repair the U1262 code in a Jaguar?

- The cost of repairing the U1262 code in a Jaguar can vary depending on the underlying cause, but it may involve expenses for diagnostic services, parts replacement, and labor.

7. Is the U1262 code specific to Jaguar vehicles?

- The U1262 OBDII code is a generic communication bus fault code that can appear in various vehicle makes and models, not just limited to Jaguar vehicles.

8. Can a faulty battery cause the U1262 code to trigger?

- Yes, a faulty battery or poor electrical connections can sometimes lead to communication issues between modules and trigger the U1262 code in a Jaguar.

9. Will resetting the U1262 code make it go away permanently?

- Resetting the U1262 code may temporarily clear the dashboard warning lights, but if the underlying issue causing the code is not addressed, it is likely to reappear.

10. How important is it to address the U1262 code promptly?

- It is important to address the U1262 code promptly to prevent potential safety risks, avoid further damage to vehicle components, and ensure the proper functioning of the vehicle's systems.