C1946 Mercury 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 Mercury 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.
Code C1946 Mercury Description
What are the Possible Causes of the DTC C1946 Mercury?
- 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 Mercury?
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 Mercury 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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Frequently Asked Questions about C1946 Mercury Code
1. What are the common symptoms of OBDII code C1946 in a Mercury related to the seat track position switch circuit?
The common symptoms include malfunctioning power seat adjustments, inability to move the seat forward or backward, and potential issues with seat memory functions.
2. What are the possible causes of the C1946 OBDII code on a Mercury?
The code C1946 typically indicates an open circuit in the seat track position switch, which can be caused by damaged wiring, a faulty switch, or a loose connection.
3. How can I diagnose the seat track position switch circuit open issue on my Mercury for code C1946?
To diagnose the problem, you can visually inspect the wiring and connectors for any damage, test the seat track position switch for continuity, and use a multimeter to check for proper voltage in the circuit.
4. Can I repair the C1946 OBDII code related to the seat track position switch circuit open in my Mercury at home?
If you have experience with automotive electrical systems and the necessary tools, you may be able to repair the issue at home by identifying and fixing the open circuit, replacing damaged components, or re-establishing proper connections.
5. Is it safe to drive my Mercury with the C1946 OBDII code triggered by the seat track position switch circuit open?
It is not recommended to drive the vehicle with the C1946 code active, as it may lead to further damage or safety concerns due to the impaired functionality of the power seat adjustments.
6. How much does it typically cost to repair the C1946 OBDII code issue on a Mercury at a professional repair shop?
The cost of repairing the C1946 code can vary depending on the extent of the problem, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to obtain quotes from different shops for an accurate estimate.
7. Can resetting the OBDII system clear the C1946 code related to the seat track position switch circuit open in my Mercury?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the open circuit is not addressed, the code is likely to reappear once the system detects the problem again.
8. Are there any preventive maintenance tips to avoid encountering the C1946 OBDII code in my Mercury in the future?
To prevent the C1946 code from reoccurring, you can periodically inspect the seat track position switch and associated wiring for any signs of wear or damage, and address any issues promptly to maintain proper functionality.
9. Can a faulty seat track position switch in a Mercury trigger additional OBDII codes besides C1946 related to the circuit open?
Yes, a faulty seat track position switch can lead to the triggering of other OBDII codes related to seat position sensors, power seat controls, or electrical circuitry, depending on the specific issue detected by the vehicle's diagnostic system.
10. How long does it typically take to repair the C1946 OBDII code issue concerning the seat track position switch circuit open in a Mercury?
The repair time for the C1946 code can vary based on the complexity of the problem, the availability of replacement parts, and the expertise of the technician. Generally, it can take anywhere from a few hours to a full day to diagnose and fix the issue.
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