P0302 on CHEVROLET TAHOE — Cylinder 2 Misfire Detected

Q: "What does P0302 mean on a CHEVROLET TAHOE?"

"P0302 indicates: Cylinder 2 Misfire Detected. This is a ignition system code. 2 CHEVROLET TAHOE owners have reported this to NHTSA."

Q: "What are the most common causes of P0302 on CHEVROLET TAHOE?"

"Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Electronic Stability Control (Esc),Engine, Power Train. These percentages are based on the component field in owner complaints."

Q: "Is P0302 serious on my CHEVROLET TAHOE?"

"Of 2 NHTSA reports for this code on CHEVROLET TAHOE, 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 TAHOE shows P0302?"

"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 P0302 Means on Your CHEVROLET TAHOE

P0302 is a diagnostic trouble code indicating: Cylinder 2 Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 CHEVROLET TAHOE owners have reported this issue to NHTSA across model years 2021. Most reports come from the 2021 model year. The most commonly reported component is Electrical System,Electronic Stability Control (Esc),Engine (50.0% of reports).

Real CHEVROLET TAHOE Owner Reports

Source: NHTSA Complaints Database

"The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving 20 MPH into the driveway, the engine seized. The contact stated that the service traction, service ESC, and engine warning lights were illuminated."

— 2021 CHEVROLET TAHOE owner · ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 10/29/2025

"Based on dealer inspection, oil was found sitting on top of the #2 piston, and you’ve indicated the failure is originating from the bottom end of the engine—likely involving piston, ring, or cylinder wall damage."

— 2021 CHEVROLET TAHOE owner · POWER TRAIN · Filed 10/29/2025

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

📊 Complaint Trend by Model Year

2

'21

Common Causes on CHEVROLET TAHOE

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE 50%

POWER TRAIN 50%

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 P0302 mean on a CHEVROLET TAHOE? ▾

P0302 indicates: Cylinder 2 Misfire Detected. This is a ignition system code. 2 CHEVROLET TAHOE owners have reported this to NHTSA.

What are the most common causes of P0302 on CHEVROLET TAHOE? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Electronic Stability Control (Esc),Engine, Power Train. These percentages are based on the component field in owner complaints.

Is P0302 serious on my CHEVROLET TAHOE? ▾

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

What should I do if my CHEVROLET TAHOE shows P0302? ▾

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.