AutoCodes – Nissan – C1134 Nissan

C1134 Nissan 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 Nissan 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 4,000

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 Nissan 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 Nissan - Engine Signal 5 - AutoCodes.com — C1134 Nissan Code - Engine Signal 5

What does this mean?

What are the Possible Causes of the DTC C1134 Nissan?

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 Nissan?

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 Nissan 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 C1134 Nissan Code

1. What does the OBDII code C1134 mean on a Nissan?

C1134 is a Nissan-specific code indicating an issue with Engine Signal 5, which usually relates to improper or missing communication between the engine control module (ECM) and the anti-lock brake system (ABS) module.

2. What are the common symptoms of the C1134 code on a Nissan?

Common symptoms include ABS or traction control warning lights illuminated, reduced traction or stability control functionality, and occasional engine performance issues.

3. What causes the C1134 code to appear on a Nissan?

The code typically appears due to wiring issues, a faulty ECM or ABS module, a damaged wheel speed sensor, or poor connections in the communication circuit.

4. Can I still drive my Nissan with the C1134 code active?

While the vehicle may still be drivable, safety systems like ABS and traction control may not function properly, increasing the risk of accidents in slippery conditions.

5. How do I diagnose the C1134 code on a Nissan?

Start by inspecting the wiring and connectors between the ECM and ABS module for damage or corrosion. Use a scan tool to check for related codes and monitor live data for irregularities.

6. What repairs can fix the C1134 code on a Nissan?

Repairs may include replacing damaged wiring, cleaning or repairing corroded connectors, updating or reprogramming the ECM, or replacing a faulty ABS module or wheel speed sensor.

7. How much does it cost to fix a C1134 code on a Nissan?

Repair costs vary depending on the issue, but fixing wiring or connectors may cost $100â€“$300, while replacing an ABS module or ECM could cost $500â€“$1,500.

8. Can a low battery cause the C1134 code on a Nissan?

Yes, a weak or failing battery can cause communication errors between the ECM and ABS module, potentially triggering the C1134 code.

9. Do I need special tools to fix the C1134 code on a Nissan?

A professional-grade scan tool is recommended for diagnosing and clearing the code, along with basic tools to inspect wiring and connections.

10. Will clearing the C1134 code fix the issue on my Nissan?

Clearing the code without addressing the root cause will likely result in the code returning. Proper diagnosis and repair are necessary to resolve the issue permanently.