AutoCodes – Lincoln – C1946 Lincoln

C1946 Lincoln Code - Seat Track Position Switch Circuit Open

Quick Answer

The Engine Control Module (ECM) monitors the Seat Track Position Switch. Common causes include Faulty Seat Track Position Switch, Seat Track Position Switch harness is open or shorted, Seat Track Position Switch circuit poor electrical connection. 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
C1946 Lincoln indicates Seat Track Position Switch Circuit Open.
Common causes
Common causes include Faulty Seat Track Position Switch, Seat Track Position Switch harness is open or shorted, Seat Track Position Switch circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,638
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 05, 2020
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Code C1946 Lincoln Description

The Engine Control Module (ECM) monitors the Seat Track Position Switch. The ECM sets the OBDII code when the Seat Track Position Switch is not to factory specifications.
OBDII Code C1946 Lincoln - Seat Track Position Switch Circuit Open - AutoCodes.com
C1946 Lincoln Code - Seat Track Position Switch Circuit Open

What are the Possible Causes of the DTC C1946 Lincoln?

  • Faulty Seat Track Position Switch
  • Seat Track Position Switch harness is open or shorted
  • Seat Track Position Switch circuit poor electrical connection

How to Fix the DTC C1946 Lincoln?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1946 Lincoln 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 C1946 Lincoln code?

Need more information on how to fix the C1946 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1946 Lincoln code diagnosed by a professional: Find a repair shop in your area

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 C1946 Lincoln Code

1. What are the common symptoms of OBDII code C1946 in a Lincoln related to the Seat Track Position Switch Circuit Open?

- Common symptoms include malfunctioning power seat controls, inability to adjust the seat position, or an illuminated warning light on the dashboard.

2. What can cause the Seat Track Position Switch Circuit Open in a Lincoln to trigger the C1946 OBDII code?

- The code can be triggered by a faulty seat track position switch, damaged wiring or connectors, or a problem with the power seat control module.

3. How can I diagnose the cause of the Seat Track Position Switch Circuit Open in my Lincoln triggering the C1946 code?

- To diagnose the issue, you can visually inspect the wiring and connectors for any visible damage, test the seat track position switch for continuity, and scan the power seat control module for fault codes.

4. Is it safe to drive my Lincoln with the C1946 OBDII code related to the Seat Track Position Switch Circuit Open?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any inconvenience or potential safety hazards.

5. Can I repair the Seat Track Position Switch Circuit Open issue triggering the C1946 code in my Lincoln myself?

- Depending on your skill level and access to tools, you may be able to repair the issue yourself by replacing the faulty seat track position switch, repairing damaged wiring, or resetting the power seat control module.

6. How much does it typically cost to repair the Seat Track Position Switch Circuit Open issue triggering the C1946 code in a Lincoln?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Will resetting the OBDII code C1946 related to the Seat Track Position Switch Circuit Open make it go away permanently?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue is not fixed, the code is likely to reappear once the system detects the problem again.

8. Can a Lincoln dealership service center help diagnose and repair the OBDII code C1946 related to the Seat Track Position Switch Circuit Open?

- Yes, a Lincoln dealership service center or a qualified automotive technician with experience working on Lincoln vehicles can help diagnose and repair the issue effectively.

9. Are there any preventative maintenance tips to avoid triggering the C1946 OBDII code in a Lincoln due to the Seat Track Position Switch Circuit Open?

- Regularly inspecting the power seat controls, avoiding excessive force when adjusting the seat position, and addressing any minor issues promptly can help prevent triggering the code.

10. How long does it typically take to repair the Seat Track Position Switch Circuit Open issue triggering the C1946 code in a Lincoln?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take anywhere from 1 to 3 hours to complete the repair.

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