P0300 on CHEVROLET TRAVERSE — Random/Multiple Cylinder Misfire Detected

Q: "What does P0300 mean on a CHEVROLET TRAVERSE?"

"P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 8 CHEVROLET TRAVERSE owners have reported this to NHTSA."

Q: "What are the most common causes of P0300 on CHEVROLET TRAVERSE?"

"Based on 8 NHTSA reports, the most commonly cited components are: Engine, Power Train,Engine, Electrical System,Vehicle Speed Control,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints."

Q: "Is P0300 serious on my CHEVROLET TRAVERSE?"

"Of 8 NHTSA reports for this code on CHEVROLET TRAVERSE, 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 TRAVERSE shows P0300?"

"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 P0300 Means on Your CHEVROLET TRAVERSE

P0300 is a diagnostic trouble code indicating: Random/Multiple Cylinder 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.

8 CHEVROLET TRAVERSE owners have reported this issue to NHTSA across model years 2009-2025. Most reports come from the 2009, 2012 model years. The most commonly reported component is Engine (50.0% of reports).

Real CHEVROLET TRAVERSE Owner Reports

Source: NHTSA Complaints Database

"Merging onto highway. engine misfiring resulting in violent shaking of vehicle and loss of power in a high speed traffic situation. very dangerous. same problem one year ago. both times cause was faulty ignition coil. codes p0300."

— 2009 CHEVROLET TRAVERSE owner · ENGINE · Filed 11/08/2017

"The vehicle began sputtering when traveling from 20-25 miles per hour & when driving up an incline. engine light came on. onstar said there were 7 fault codes. the primary code was p0300, indicating an emissions issue. issue started days after transmission was replaced."

— 2009 CHEVROLET TRAVERSE owner · POWER TRAIN,ENGINE · Filed 12/27/2016

"Driving on a highway went to change lane. while accelerating the car started to shake, buck and slow down. engine light came on. brought it to the dealer found intermittent code p0306. performed emission service. happened again 60days later. back to the dealer found code p0305 and p0306."

— 2009 CHEVROLET TRAVERSE owner · ENGINE · Filed 10/04/2014

"The first time this happened, i was driving a hilly back road from school the service stabilitrac and traction control warning lights came on then the engine power is being reduced warning light came on and the car immediately slowed to a crawl with very little steering control."

— 2011 CHEVROLET TRAVERSE owner · ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) · Filed 10/06/2014

"My wife was driving on the highway when it lost significant power and started rattling violently. she was able to pull into a business parking lot. stabilitrak system, traction control, check engine lights all came on."

— 2012 CHEVROLET TRAVERSE owner · ENGINE · Filed 12/06/2019

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

📊 Complaint Trend by Model Year

3

'09

1

'11

2

'12

1

'14

1

'25

Common Causes on CHEVROLET TRAVERSE

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 50%

POWER TRAIN,ENGINE 12.5%

ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 12.5%

POWER TRAIN,ELECTRICAL SYSTEM,UNKNOWN or OTHER 12.5%

ENGINE,FUEL/PROPULSION SYSTEM 12.5%

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 P0300 mean on a CHEVROLET TRAVERSE? ▾

P0300 indicates: Random/Multiple Cylinder Misfire Detected. This is a ignition system code. 8 CHEVROLET TRAVERSE owners have reported this to NHTSA.

What are the most common causes of P0300 on CHEVROLET TRAVERSE? ▾

Based on 8 NHTSA reports, the most commonly cited components are: Engine, Power Train,Engine, Electrical System,Vehicle Speed Control,Electronic Stability Control (Esc). These percentages are based on the component field in owner complaints.

Is P0300 serious on my CHEVROLET TRAVERSE? ▾

Of 8 NHTSA reports for this code on CHEVROLET TRAVERSE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET TRAVERSE shows P0300? ▾

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.