P1682 on CHEVROLET IMPALA — P1684

Q: "What does P1682 mean on a CHEVROLET IMPALA?"

"P1682 indicates: P1684. This is a manufacturer-specific powertrain code. 2 CHEVROLET IMPALA owners have reported this to NHTSA."

Q: "What are the most common causes of P1682 on CHEVROLET IMPALA?"

"Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P1682 serious on my CHEVROLET IMPALA?"

"Of 2 NHTSA reports for this code on CHEVROLET IMPALA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET IMPALA shows P1682?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P1682 Means on Your CHEVROLET IMPALA

P1682 is a diagnostic trouble code indicating: P1684. This code relates to the manufacturer-specific powertrain system. CHEVROLET describes this as: Driver 5 Line 2. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 CHEVROLET IMPALA owners have reported this issue to NHTSA across model years 2008. Most reports come from the 2008 model year. The most commonly reported component is Electrical System,Engine (100.0% of reports).

Real CHEVROLET IMPALA Owner Reports

Source: NHTSA Complaints Database

"I was driving when vehicle lost power and car shut off. i put the car in neutral and restarted the motor and this has happened on a few occasions. more recently, at times car will not turn over or crank and the check engine light comes on."

— 2008 CHEVROLET IMPALA owner · ELECTRICAL SYSTEM,ENGINE · Filed 05/14/2013

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'08

Common Causes on CHEVROLET IMPALA

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,ENGINE 100%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P1682 mean on a CHEVROLET IMPALA? ▾

P1682 indicates: P1684. This is a manufacturer-specific powertrain code. 2 CHEVROLET IMPALA owners have reported this to NHTSA.

What are the most common causes of P1682 on CHEVROLET IMPALA? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Engine. These percentages are based on the component field in owner complaints.

Is P1682 serious on my CHEVROLET IMPALA? ▾

Of 2 NHTSA reports for this code on CHEVROLET IMPALA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET IMPALA shows P1682? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P1682 on Other Vehicles

→ All codes reported on CHEVROLET IMPALA