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Engine-Codes – Generic – C1345

C1345 Code - Linear Solenoid Valve Offset Learning Undone

Quick Answer

The C1345 diagnostic trouble code (DTC) refers to the Linear Solenoid Valve Offset Learning Undone. Common causes include Faulty linear solenoid valve, Wiring harness issues, ECM software glitch. 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
C1345 indicates Linear Solenoid Valve Offset Learning Undone.
Common causes
Common causes include Faulty linear solenoid valve, Wiring harness issues, ECM software glitch.
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 08, 2024
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Code C1345 Description

The C1345 diagnostic trouble code (DTC) refers to the Linear Solenoid Valve Offset Learning Undone. This code indicates that the vehicle's engine control module (ECM) has detected an issue with the linear solenoid valve's offset learning process. The linear solenoid valve is a crucial component of the vehicle's transmission system, responsible for controlling the flow of hydraulic fluid to engage different gears.

OBDII Code C1345 - Linear Solenoid Valve Offset Learning Undone
C1345 Code - Linear Solenoid Valve Offset Learning Undone

Common Causes of C1345

  1. Faulty linear solenoid valve
  2. Wiring harness issues
  3. ECM software glitch
  4. Low transmission fluid levels
  5. Mechanical damage to the transmission system

Symptoms of C1345

  1. Harsh or delayed gear shifting
  2. Transmission slipping
  3. Limp mode activation
  4. Illuminated Check Engine Light
  5. Decreased fuel efficiency

How to Fix C1345

  1. Perform a complete diagnostic scan to confirm the C1345 code and identify any other related issues.
  2. Inspect the linear solenoid valve for proper operation and replace if necessary.
  3. Check the wiring harness for any damage or loose connections and repair as needed.
  4. Reset the ECM to clear the code and perform the linear solenoid valve offset learning procedure.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix C1345

The typical repair costs for addressing the C1345 code can vary depending on the specific vehicle make and model, the extent of the issue, and the labor rates at the auto repair shop. In general, the cost of parts for replacing a linear solenoid valve can range from $100 to $300, while the labor costs can add another $100 to $200. Overall, the total repair cost for this issue may range from $200 to $500. It is advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances. Keep in mind that rates may be higher at dealerships or in metropolitan areas.

What does this mean?

Tech Notes for C1345

Linear Solenoid Valve Offset should be initialized (calibrate to zero). If problem persistss, Skid Control ECU may need to be replace.

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Code C1345 Information for Specific Makes

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 C1345 Code

1. What are common symptoms of OBDII code C1345 (Linear Solenoid Valve Offset Learning Undone)?

- Common symptoms include rough shifting, transmission slipping, and the vehicle going into limp mode.

2. What can cause OBDII code C1345 to trigger?

- This code can be triggered by issues with the linear solenoid valve, transmission fluid levels, or faulty wiring.

3. How serious is OBDII code C1345?

- OBDII code C1345 should be addressed promptly as it can lead to more severe transmission problems if left unresolved.

4. How can I diagnose OBDII code C1345?

- Diagnosing this code typically involves using a scan tool to read the trouble codes and conducting a thorough inspection of the transmission components.

5. Can I continue driving with OBDII code C1345?

- It is not recommended to continue driving with this code as it can cause further damage to the transmission.

6. What is the repair process for OBDII code C1345?

- The repair process may involve resetting the linear solenoid valve offset learning, checking and adjusting transmission fluid levels, and repairing any faulty wiring.

7. How much does it cost to fix OBDII code C1345?

- The cost of fixing this code can vary depending on the underlying issue, but it may range from a few hundred to a few thousand dollars.

8. Can I reset OBDII code C1345 on my own?

- While you can attempt to reset the code on your own using a scan tool, it is essential to address the root cause of the issue to prevent the code from reoccurring.

9. Are there any preventive maintenance tips to avoid OBDII code C1345?

- Regularly checking and maintaining transmission fluid levels, as well as addressing any transmission issues promptly, can help prevent OBDII code C1345 from appearing.

10. How long does it take to repair OBDII code C1345?

- The repair time for this code can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day for the repair to be completed.

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