P0300 on Chevrolet Traverse
Random/Multiple Cylinder Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Chevrolet Traverse 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 P0300.
- 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 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.
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."
"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."
"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."
"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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Chevrolet Traverse
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.