P1682 2016 Chevrolet Silverado Code - Ignition 1 Switch Circuit 2
Quick Answer
There are 2 ignition 1 voltage circuits supplied to the Engine Control Module (ECM). Common causes include Faulty ignition switch, Ignition Switch harness is open or shorted, Ignition 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
- P1682 2016 Chevrolet Silverado indicates Ignition 1 Switch Circuit 2.
- Common causes
- Common causes include Faulty ignition switch, Ignition Switch harness is open or shorted, Ignition 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 P1682 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1682 2016 Chevrolet Silverado?
- Faulty ignition switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1682 2016 Chevrolet Silverado?
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.
Code Tech Notes
2016-2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado LD
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1682 2016 Chevrolet Silverado 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 P1682 2016 Chevrolet Silverado Code
1. What does the OBDII code P1682 mean on a 2016 Chevrolet Silverado?
P1682 indicates an "Ignition 1 Switch Circuit 2" issue, which means there is a problem with the voltage supply to the ignition system, often related to the ignition switch or related wiring.
2. What are the common symptoms of code P1682 in a 2016 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, intermittent stalling, reduced engine performance, or the check engine light illuminating.
3. What causes the P1682 code to appear on a 2016 Chevrolet Silverado?
Common causes include a faulty ignition switch, damaged wiring or connectors in the ignition circuit, a failed relay, or a malfunctioning Powertrain Control Module (PCM).
4. Can a weak battery cause the P1682 code in a Chevrolet Silverado?
Yes, a weak or failing battery can cause voltage issues, which may trigger the P1682 code if the ignition circuit cannot receive adequate power.
5. How is the P1682 code diagnosed in a 2016 Chevrolet Silverado?
A mechanic will typically check for proper voltage at the ignition switch, inspect wiring and connectors for damage, and test related fuses, relays, and the PCM.
6. Can I drive my 2016 Chevrolet Silverado with a P1682 code?
Driving with this code is not recommended, as it could lead to sudden stalling or starting issues, potentially leaving you stranded.
7. How do you fix the P1682 code on a 2016 Chevrolet Silverado?
Repairs may include replacing the ignition switch, repairing or replacing damaged wiring, inspecting and replacing faulty relays, or reprogramming or replacing the PCM if necessary.
8. How much does it cost to fix the P1682 code on a Chevrolet Silverado?
The cost varies, but replacing the ignition switch typically ranges from $150 to $300, including parts and labor. More extensive repairs, like PCM replacement, can cost significantly more.
9. Can a faulty ignition switch trigger the P1682 code?
Yes, a faulty ignition switch is one of the most common causes of the P1682 code and should be inspected during diagnostics.
10. Will clearing the P1682 code with a scanner fix the issue?
Clearing the code will reset the check engine light temporarily, but if the underlying issue is not resolved, the code will likely return.
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