Engine-Codes.com
Engine-Codes – Generic – B1174

B1174 Code - Front Door Lock-Link Switch Right Unlock Circuit Malfunction

Quick Answer

The diagnostic trouble code B1174 indicates a malfunction in the front door lock-link switch right unlock circuit of a vehicle. Common causes include Faulty door lock actuator on the front door right side, Damaged or corroded wiring in the lock-link switch circuit, Malfunctioning control module responsible for door lock operations. 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
B1174 indicates Front Door Lock-Link Switch Right Unlock Circuit Malfunction.
Common causes
Common causes include Faulty door lock actuator on the front door right side, Damaged or corroded wiring in the lock-link switch circuit, Malfunctioning control module responsible for door lock operations.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1174 Description

The diagnostic trouble code B1174 indicates a malfunction in the front door lock-link switch right unlock circuit of a vehicle. This code signifies that there is an issue with the circuit responsible for unlocking the front door on the right side of the vehicle. This problem can lead to issues with unlocking the door using the key fob or interior door lock switch.

OBDII Code B1174 - Front Door Lock-Link Switch Right Unlock Circuit Malfunction
B1174 Code - Front Door Lock-Link Switch Right Unlock Circuit Malfunction

Common Causes of B1174

  1. Faulty door lock actuator on the front door right side.
  2. Damaged or corroded wiring in the lock-link switch circuit.
  3. Malfunctioning control module responsible for door lock operations.
  4. Water damage or moisture intrusion affecting the electrical components.
  5. Loose connections or poor electrical grounding in the circuit.

Symptoms of B1174

  1. Inability to unlock the front door on the right side using the key fob or interior door lock switch.
  2. Unusual clicking or grinding noises when attempting to unlock the door.
  3. Intermittent issues with the door unlocking properly.
  4. Dashboard warning light indicating a door lock-link switch malfunction.

How to Fix B1174

  1. Diagnose the specific cause of the malfunction using a professional automotive diagnostic tool.
  2. Inspect the door lock actuator, wiring, and control module for any visible damage or corrosion.
  3. Replace the faulty door lock actuator with a new part if necessary.
  4. Repair or replace damaged wiring in the lock-link switch circuit.
  5. Reset the control module and ensure proper functioning of the door lock system.

Cost to Fix B1174

The typical repair costs for addressing a front door lock-link switch right unlock circuit malfunction can range from $150 to $400, including parts and labor. However, it is essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is advisable to obtain quotes from local auto repair shops to get a more accurate estimate for this repair.

Need more information about the B1174 code?

Need more information on how to fix the B1174 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1174 code diagnosed by a professional: Find a repair shop in your area

Code B1174 Information for Specific Makes

  • B1174 Mazda — Front Door Lock-Link Switch Right Unlock Circuit Malfunction
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 B1174 Code

1. What are common symptoms of OBDII code B1174 (Front Door Lock-Link Switch Right Unlock Circuit Malfunction)?

The common symptoms include difficulty unlocking the front right door, erratic behavior of the door lock mechanism, and possibly an illuminated warning light on the dashboard.

2. What are the possible causes of OBDII code B1174?

Possible causes of this code include a faulty front door lock-link switch on the right side, damaged wiring or connectors in the circuit, or a malfunctioning control module.

3. How can I diagnose the Front Door Lock-Link Switch Right Unlock Circuit Malfunction?

Diagnosis involves using an OBDII scanner to retrieve the trouble code, inspecting the front right door lock-link switch and its wiring for damage, and testing the related components for proper functionality.

4. Can I still drive my vehicle with OBDII code B1174 present?

While the vehicle may still be operational with this code, it is recommended to address the issue promptly to avoid potential safety concerns and further damage to the door lock system.

5. Are there any simple repair tips for fixing OBDII code B1174?

Simple repair tips include checking and repairing any damaged wiring or connectors related to the front right door lock-link switch, and ensuring proper connection and functionality of the switch itself.

6. Do I need special tools to repair OBDII code B1174?

Basic tools such as a multimeter, wire connectors, and electrical tape may be necessary for diagnosing and repairing the Front Door Lock-Link Switch Right Unlock Circuit Malfunction.

7. Can a DIY enthusiast fix OBDII code B1174 at home?

Depending on the extent of the issue, a DIY enthusiast with some knowledge of automotive electrical systems may be able to diagnose and repair OBDII code B1174 at home.

8. How much does it typically cost to repair OBDII code B1174 at a professional auto repair shop?

The cost of repairing OBDII code B1174 at a professional auto repair shop can vary depending on the underlying cause, but it may range from $100 to $300 or more, including parts and labor.

9. Is it important to clear the OBDII code B1174 after repairing the issue?

Yes, it is important to clear the trouble code after repairing the Front Door Lock-Link Switch Right Unlock Circuit Malfunction to reset the system and ensure the issue has been resolved.

10. What should I do if OBDII code B1174 keeps coming back after repair?

If the code persists after repair, further diagnosis may be necessary to identify any remaining issues with the front right door lock system or circuitry.

Discuss the causes and fixes for B1174 OBDII Code

Submit a New Comment

Code B1174 comments

No comments found for this page.