P1682 2018 Chevrolet Silverado Code - Ignition 1 Switch Circuit 2
Quick Answer
The P1682 code for a 2018 Chevrolet Silverado refers to an issue with the Ignition 1 Switch Circuit 2. Common causes include Faulty ignition switch, Wiring issues or shorts in the Ignition 1 Switch Circuit 2, Corrosion or poor connections in the electrical system. 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 2018 Chevrolet Silverado indicates Ignition 1 Switch Circuit 2.
- Common causes
- Common causes include Faulty ignition switch, Wiring issues or shorts in the Ignition 1 Switch Circuit 2, Corrosion or poor connections in the electrical system.
- 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 2018 Chevrolet Silverado Description
The P1682 code for a 2018 Chevrolet Silverado refers to an issue with the Ignition 1 Switch Circuit 2. This code indicates that there is a problem with the electrical circuit that controls the ignition switch. The ignition switch is a crucial component that allows the vehicle to start and run by sending power to various systems, including the engine and accessories.
Common Causes of P1682 2018 Chevrolet Silverado
- Faulty ignition switch
- Wiring issues or shorts in the Ignition 1 Switch Circuit 2
- Corrosion or poor connections in the electrical system
- Defective ignition switch relay
- Issues with the vehicle's computer system
Symptoms of P1682 2018 Chevrolet Silverado
- Difficulty starting the vehicle
- Engine stalling or shutting off unexpectedly
- Loss of power while driving
- Illumination of the Check Engine Light
- Electrical issues such as problems with power windows or radio
How to Fix P1682 2018 Chevrolet Silverado
- Begin by conducting a thorough inspection of the ignition switch and associated wiring to identify any visible damage or corrosion.
- Test the ignition switch using a multimeter to check for proper functionality.
- Check the ignition switch relay for any signs of malfunction and replace if necessary.
- Repair any damaged wiring or connections in the Ignition 1 Switch Circuit 2.
- Clear the diagnostic trouble codes from the vehicle's computer and test the system to ensure the issue has been resolved.
Cost to Fix P1682 2018 Chevrolet Silverado
The typical repair costs for addressing a P1682 code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Keep in mind that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and the extent of the repair needed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
Tech Notes for P1682 2018 Chevrolet Silverado
2016-2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado LD
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start
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Frequently Asked Questions about P1682 2018 Chevrolet Silverado Code
1. What does the OBDII code P1682 mean on a 2018 Chevrolet Silverado?
P1682 indicates an issue with "Ignition 1 Switch Circuit 2," meaning the Engine Control Module (ECM) has detected a problem with the secondary ignition voltage circuit.
2. What are the common symptoms of code P1682 on a 2018 Silverado?
Symptoms may include difficulty starting the engine, stalling, reduced engine performance, or the Check Engine Light being illuminated.
3. What causes the P1682 code to appear on a 2018 Chevrolet Silverado?
Common causes include a faulty ignition switch, wiring issues in the ignition circuit, a failing ECM, or corrosion on electrical connectors.
4. Can I drive my 2018 Silverado with a P1682 code?
Driving with a P1682 code is not recommended, as it could lead to stalling or other reliability issues, potentially leaving you stranded.
5. How do I diagnose the P1682 code on a 2018 Chevrolet Silverado?
Start by checking the ignition switch and related wiring for damage or loose connections. Use a multimeter to test voltage in the circuit and ensure proper operation of the ECM.
6. What repairs can fix the P1682 code on a 2018 Silverado?
Repairs may include replacing the ignition switch, repairing or replacing damaged wiring or connectors, or, in rare cases, replacing the ECM.
7. How much does it cost to fix code P1682 on a 2018 Chevrolet Silverado?
Repair costs vary depending on the issue. Replacing the ignition switch typically costs $200–$400, while ECM replacement can exceed $1,000.
8. Can a bad battery cause the P1682 code on a 2018 Silverado?
Yes, a weak or failing battery may cause voltage irregularities that trigger the P1682 code. Testing and replacing the battery, if necessary, is a good starting point.
9. Will resetting the Check Engine Light clear the P1682 code permanently?
Clearing the code without addressing the root issue will only temporarily turn off the light. The code will return if the problem persists.
10. Can an aftermarket remote start system cause the P1682 code on a 2018 Chevrolet Silverado?
Yes, improperly installed aftermarket remote start systems can interfere with the ignition circuit and trigger the P1682 code. Disconnecting the remote start system may help identify the issue.
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