P0300 on CHEVROLET TAHOE — Random/Multiple Cylinder Misfire Detected

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

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

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

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

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

"Of 8 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 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 TAHOE

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 TAHOE owners have reported this issue to NHTSA across model years 2007-2025. Most reports come from the 2021, 2007 model years.

Real CHEVROLET TAHOE Owner Reports

Source: NHTSA Complaints Database

"My 2007 chevrolet tahoe will sporadically display two m.i.l. 's - service traction control and service stabilitrak. i have spent close to $4,000 on different parts, as well as having the heads completely rebuilt about 5 months ago."

— 2007 CHEVROLET TAHOE owner · ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 04/30/2019

"Complain to dealer prior to gm warranty expiration and extended warranty expiration but now that warranty expired willing to investigate. constant p0300 random misfire detected on cylinder 5. misfires over 20 times within 60 seconds via gm fast test (launch software version v44."

— 2008 CHEVROLET TAHOE owner · SUSPENSION,ELECTRONIC STABILITY CONTROL (ESC),ENGINE · Filed 05/12/2016

"P0300 engine misfire - service stabilitrak/traction control. multiple cylinder misfire from active fuel management system."

— 2010 CHEVROLET TAHOE owner · ENGINE · Filed 01/01/2018

"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

1

'07

1

'08

1

'10

3

'21

1

'23

1

'25

Common Causes on CHEVROLET TAHOE

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE 25%

ENGINE 25%

SUSPENSION,ELECTRONIC STABILITY CONTROL (ESC),ENGINE 12.5%

POWER TRAIN 12.5%

ELECTRICAL SYSTEM,ENGINE 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 TAHOE? ▾

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

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

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

Is P0300 serious on my CHEVROLET TAHOE? ▾

Of 8 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 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.