P1682 Buick Code - Ignition 1 Switch Circuit 2
Quick Answer
The P1682 Buick diagnostic trouble code (DTC) specifically refers to the Ignition 1 Switch Circuit 2. Common causes include Faulty ignition switch, Damaged wiring or connectors in the ignition switch circuit, Malfunctioning ignition switch control module. 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
- P1682 Buick indicates Ignition 1 Switch Circuit 2.
- Common causes
- Common causes include Faulty ignition switch, Damaged wiring or connectors in the ignition switch circuit, Malfunctioning ignition switch control module.
- 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.
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Code P1682 Buick Description
The P1682 Buick diagnostic trouble code (DTC) specifically refers to the Ignition 1 Switch Circuit 2. This code indicates a problem with the ignition switch circuit, which is responsible for providing power to various components in the vehicle, including the ignition system, fuel system, and other electrical systems. The ignition switch is a critical component that allows the driver to start the vehicle and control various electrical functions. When this circuit malfunctions, it can lead to issues with starting the vehicle, as well as impact the overall performance and functionality of the vehicle.
Common Causes of P1682 Buick
- Faulty ignition switch
- Damaged wiring or connectors in the ignition switch circuit
- Malfunctioning ignition switch control module
- Corrosion or loose connections in the ignition system
- Electrical short circuits in the ignition switch circuit
Symptoms of P1682 Buick
- Intermittent starting issues
- Engine stalling or rough idling
- Dashboard lights flickering
- Erratic behavior of electrical components
- Inability to start the vehicle
How to Fix P1682 Buick
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the trouble codes and pinpoint the source of the problem.
- Inspect the ignition switch, wiring, and connectors for any visible damage or signs of wear. Replace any faulty components as needed.
- Test the ignition switch control module to ensure it is functioning correctly. Replace if necessary.
- Clear the trouble codes from the vehicle's computer system and perform a test drive to confirm that the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying issues that may be contributing to the code.
Cost to Fix P1682 Buick
The cost of repairing the P1682 Buick code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the typical repair costs for this issue can range from $100 to $300, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, and lower at independent shops. It's advisable to check local rates for a more accurate estimate.
Tech Notes for P1682 Buick
CONDITION:
Customers may comment of intermittent Service Engine Soon light on with Reduced Engine Power and/or engine stall with P0689 and/or P1682 stored in history.
CAUSE:
Terminal #51 at X3 Connector of Under Hood Fuse Block loose terminal tension with arcing corrosion on terminal #51 on fuse block.
CORRECTION
1. Check for water intrusion on IP fuseblock. If water leak and corrosion is found, repair following normal SI procedures. If no indication of water or corrosion, go to the next step.
2. Remove under hood fuse block and inspect for any arcing corrosion on terminal 51 of the X3 connector. It is helpful to use a cell phone camera to zoom in on the terminal to see the arc spot. If an arc spot is found, replace under hood fuse panel and terminal 51 in the harness using a terminated lead.
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Frequently Asked Questions about P1682 Buick Code
1. What are common symptoms of OBDII code P1682 in a Buick related to Ignition 1 Switch Circuit 2?
The common symptoms include issues with starting the vehicle, intermittent stalling, and difficulty shifting gears.
2. What could cause OBDII code P1682 in a Buick indicating a problem with Ignition 1 Switch Circuit 2?
Possible causes may include a faulty ignition switch, wiring issues, a defective ignition lock cylinder, or a problem with the ignition relay.
3. How can I diagnose the OBDII code P1682 in my Buick related to Ignition 1 Switch Circuit 2?
Perform a thorough inspection of the ignition switch, check the wiring for any damage or loose connections, and test the ignition relay for proper functioning using a multimeter.
4. Can a DIY enthusiast repair OBDII code P1682 in a Buick associated with Ignition 1 Switch Circuit 2?
While some may attempt the repair, it is recommended to seek professional assistance as diagnosing and fixing electrical issues can be challenging and may require specialized tools.
5. Are there any quick tips for troubleshooting OBDII code P1682 related to Ignition 1 Switch Circuit 2 in a Buick?
Check the ignition switch fuse, ensure the battery is fully charged, and inspect the ignition switch connector for any signs of corrosion or damage.
6. How serious is OBDII code P1682 in a Buick indicating a problem with Ignition 1 Switch Circuit 2?
Ignoring this code can lead to issues with starting the vehicle or potential stalling while driving, making it important to address the problem promptly.
7. Is it safe to continue driving with OBDII code P1682 in a Buick related to Ignition 1 Switch Circuit 2?
It is not recommended to drive the vehicle with this code present, as it can cause unpredictable behavior and potentially leave you stranded.
8. Can a weak battery or alternator cause OBDII code P1682 in a Buick associated with Ignition 1 Switch Circuit 2?
Yes, a weak battery or alternator can sometimes trigger this code due to insufficient power reaching the ignition system components.
9. Will resetting the OBDII code P1682 related to Ignition 1 Switch Circuit 2 in my Buick make the problem go away?
Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.
10. How much does it typically cost to repair OBDII code P1682 in a Buick indicating a problem with Ignition 1 Switch Circuit 2?
The cost of repairing this code can vary depending on the specific cause, but it may range from $100 to $500 or more, including parts and labor.
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