P1682 on Gmc Envoy
P1684
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Envoy context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P1682.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P1682 Means on Your Gmc Envoy
P1682 is a diagnostic trouble code indicating: P1684. This code relates to the manufacturer-specific powertrain system. GMC describes this as: Driver 5 Line 2. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Gmc Envoy Owner Reports
Source: NHTSA Complaints Database
"On may 3rd 2010, the truck just died in the middle of the road while driving home with my son at night. i had to quickly try to get to the side of the road without any power assist. the envoy would not start again, not even turn over."
"Faulty ignition switch caused vehicle engine to stall making all operation to fail car loss of control very dangerous while stalling on highways faulty code given is p1682 short circuit in ignition throttle and gas pedal also probable cause of faulty ecm,pcm also window module caught on fire while a"
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Envoy
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.