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Engine-Codes – Generic – C1339

C1339 Code - Right Rear Low Frequency Initiator Fail Pulse Detected

Quick Answer

The C1339 diagnostic trouble code indicates that a failure has been detected in the right rear low frequency initiator circuit. Common causes include Faulty low frequency initiator sensor, Wiring or connector issues in the right rear suspension system, Control module malfunction. 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
C1339 indicates Right Rear Low Frequency Initiator Fail Pulse Detected.
Common causes
Common causes include Faulty low frequency initiator sensor, Wiring or connector issues in the right rear suspension system, Control module malfunction.
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
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Code C1339 Description

The C1339 diagnostic trouble code indicates that a failure has been detected in the right rear low frequency initiator circuit. This component is part of the vehicle's active suspension system, which is responsible for adjusting the ride height and damping characteristics of the vehicle in real-time to improve handling, comfort, and stability. The low frequency initiators are sensors that measure the suspension travel and provide feedback to the system's control module.

OBDII Code C1339 - Right Rear Low Frequency Initiator Fail Pulse Detected
C1339 Code - Right Rear Low Frequency Initiator Fail Pulse Detected

Common Causes of C1339

  1. Faulty low frequency initiator sensor
  2. Wiring or connector issues in the right rear suspension system
  3. Control module malfunction
  4. Corrosion or damage to the sensor or wiring
  5. Electrical interference or short circuits in the system

Symptoms of C1339

  1. Uneven ride height on the right rear side of the vehicle
  2. Harsh or bumpy ride quality
  3. Handling instability, especially during cornering
  4. ABS or traction control system warning lights illuminated on the dashboard

How to Fix C1339

  1. Inspect the wiring and connectors in the right rear suspension system for any damage or corrosion.
  2. Test the low frequency initiator sensor for proper operation and replace if necessary.
  3. Check the control module for any faults or errors and reset or replace as needed.
  4. Clear the diagnostic trouble code from the vehicle's system and perform a test drive to verify the repair.
  5. If the issue persists, further diagnosis may be required to pinpoint the exact cause of the problem.

Cost to Fix C1339

The cost of repairing a C1339 code can vary depending on the specific cause of the issue. In general, replacing a faulty low frequency initiator sensor or repairing wiring/connectors can cost between $150 to $300. If the control module needs to be replaced, the cost can range from $300 to $600 or more. Labor costs can add another $80 to $150 per hour, and the total repair bill may exceed $500 in some cases. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

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Code C1339 Information for Specific Makes

  • C1339 Hyundai — Right Rear Low Frequency Initiator Fail Pulse Detected
  • C1339 KIA — Right Rear Low Frequency Initiator Fail Pulse Detected
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 C1339 Code

1. What are the common symptoms of OBDII code C1339 (Right Rear Low Frequency Initiator Fail Pulse Detected)?

- Common symptoms include the ABS warning light coming on, potential loss of stability control, and decreased braking performance.

2. What are the possible causes of OBDII code C1339?

- The code C1339 can be caused by a faulty right rear low frequency initiator, damaged wiring or connectors, or issues with the ABS control module.

3. How can I diagnose the cause of OBDII code C1339?

- To diagnose the issue, you can use an OBDII scanner to read the code, visually inspect the wiring and connectors for damage, and perform a detailed inspection of the right rear low frequency initiator.

4. Is it safe to drive with OBDII code C1339 active?

- It is not recommended to drive with the code active, as it can affect the performance of your ABS system and compromise your vehicle's stability and braking capabilities.

5. Can I repair OBDII code C1339 myself?

- Depending on your skill level and access to tools, you may be able to repair the code yourself by replacing the right rear low frequency initiator, repairing damaged wiring, or addressing issues with the ABS control module.

6. How much does it typically cost to repair OBDII code C1339 at a mechanic or dealership?

- The cost of repairing OBDII code C1339 can vary depending on the exact cause of the issue, but it may range from $200 to $500 at a mechanic or dealership.

7. Will resetting the OBDII code C1339 clear the issue permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

8. What should I do if the OBDII code C1339 keeps coming back after repair?

- If the code keeps coming back after repair, it may indicate that the issue was not fully resolved. Recheck the components related to the code, ensure proper installation, and consider seeking professional help for further diagnosis.

9. Can OBDII code C1339 cause other problems in my vehicle?

- While the code itself may not cause other problems, ignoring the issue can lead to decreased safety on the road due to compromised ABS performance and stability control.

10. How often should I check for OBDII code C1339 to ensure my vehicle's safety?

- It is recommended to regularly check for OBDII codes, including C1339, during routine maintenance or whenever you notice symptoms related to ABS or stability control issues.

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