AutoCodes – Infiniti – C1134 Infiniti

C1134 Infiniti Code - Engine Signal 5

Quick Answer

ABS Actuator and Electric Unit (Control Unit) and Engine Control Module (ECM) exchange the engine signal with Control Area Network (CAN) communication line. Common causes include Faulty Engine Control Module (ECM), Faulty ABS Actuator and Electric Unit (Control Unit), Control Area Network (CAN) communication line. 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: C1134 Infiniti indicates Engine Signal 5.
Common causes: Common causes include Faulty Engine Control Module (ECM), Faulty ABS Actuator and Electric Unit (Control Unit), Control Area Network (CAN) communication line.
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 1,390

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 Aug 17, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1134 Infiniti Description

ABS Actuator and Electric Unit (Control Unit) and Engine Control Module (ECM) exchange the engine signal with Control Area Network (CAN) communication line. Major engine components are malfunctioning.

OBDII Code C1134 Infiniti - Engine Signal 5 - AutoCodes.com — C1134 Infiniti Code - Engine Signal 5

What does this mean?

What are the Possible Causes of the DTC C1134 Infiniti?

Faulty Engine Control Module (ECM)
Faulty ABS Actuator and Electric Unit (Control Unit)
Control Area Network (CAN) communication line
Blown Engine Control Module (ECM) fuse

How to Fix the DTC C1134 Infiniti?

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 does this mean?

Code Tech Notes

Control Area Network (CAN) Communication Line or Transmission Control Module (TCM). The code means that the ABS Control Module has lost or at some point lost communications with the TCM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1134 Infiniti 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 C1134 Infiniti code?

Need more information on how to fix the C1134 Infiniti 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 C1134 Infiniti Code

What does the OBDII code C1134 mean for my Infiniti?

The C1134 code indicates an issue with the engine signal, specifically related to the vehicle's stability control or anti-lock brake system.

What are the common symptoms of the C1134 code?

Common symptoms include warning lights on the dashboard (like the ABS or traction control light), reduced vehicle stability, and potential issues with braking performance.

What could cause the C1134 code to trigger?

Potential causes include a faulty wheel speed sensor, issues with the engine control module (ECM), wiring problems, or a malfunctioning brake system component.

How can I diagnose the C1134 code?

To diagnose the code, use an OBDII scanner to confirm the code and check for any related codes. Inspect the wiring and connectors, and test the wheel speed sensors for proper function.

What repairs might be needed for the C1134 code?

Repairs could involve replacing faulty sensors, repairing damaged wiring, reprogramming the ECM, or addressing issues within the brake system.

Can I drive my Infiniti with the C1134 code?

While you can drive the vehicle, it's not advisable since the stability control and braking systems may be compromised, leading to safety concerns.

Is the C1134 code a serious issue?

Yes, the C1134 code can indicate serious safety-related issues, especially concerning the vehicle's braking and stability systems, so it should be addressed promptly.

How much will it cost to fix the C1134 code?

Repair costs can vary widely depending on the specific issue but can range from a simple sensor replacement costing around $100 to more complex repairs exceeding $1,000.

Should I clear the C1134 code after repairs?

Yes, after completing repairs, itâ€™s a good practice to clear the code using an OBDII scanner and then test drive the vehicle to ensure the issue is resolved.