P0009 — Engine Position System Performance Bank 2

What Does P0009 Mean?

P0009 is a diagnostic trouble code indicating: Engine Position System Performance Bank 2. This code relates to the fuel and air metering system. It has been reported in NHTSA complaints across 2 different vehicle models.

Symptoms of P0009

⚠️ Check engine light illuminated

Common Causes

🔍 Worn timing chain or belt
🔍 Crankshaft position sensor failure
🔍 Sensor or control module malfunction

P0009 Reports by Year

2014

1

2017

1

2016

1

2020

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"AT 68,000 MILES, THE CHECK ENGINE LIGHT CAME ON, I TOOK IT TO THE LOCAL CHEVY DEALER WHO SAID IT WAS A TIMING CHAIN PROBLEM. THEY SAID THAT IT WOULD COST ABOUT $3200 TO FIX. DOING SOME RESEARCH (OBD2 CODES P0008 AND P0009) THIS IS A COMMON PROBLEM WITH THIS PARTICULAR ENGINE, SPANNING MANY MODELS "
— Chevrolet Traverse owner, 08/07/2017

"AT 84000 MILES THE EMISSIONS LIGHT CAME ON YET NOTHING WAS A RED FLAG WHILE DRIVING. NO NOISES OR ANYTHING SEEMED DIFFERENT. HAD DIAGNOSTICS COMPLETED AND TIMING CHAIN WAS STRETCHED AND NEEDED REPLACED. CODES P0008, P0009, P0017 APPEARED. COST $2500. OUR WARRANTY WAS UP AT 83000 MILES. SEEMS THIS I"
— Chevrolet Traverse owner, 04/01/2016

"MY 2011 CHEVY TRAVERSE CHECK ENGINE LIGHT CAME ON, ON 9/18/20 AND REFERENCED ERROR CODES P0009 AND P0018. THE CAR IS LOOSES POWER WHEN DRIVEN AND IS GETTING TERRIBLE GAS MILEAGE. IT ONLY HAS 111,000 MILES ON IT AND HAS BEEN MAINTAINED ACCORDING TO THE MANUFACTURER'S GUIDELINES. THE MECHANIC THAT R"
— Chevrolet Traverse owner, 09/18/2020

Source: NHTSA Complaints Database

Most Reported Vehicles for P0009

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	CHEVROLET TRAVERSE
2	CHEVROLET MALIBU

P0009 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

CHEVROLET TRAVERSE

3 NHTSA reports · Peak: 2010, 2011

Frequently Asked Questions

Can I drive with this code?

You can usually drive short distances, but fuel economy will suffer and emissions will be higher. Get it diagnosed within a week.

Will this code cause my car to fail emissions?

Yes — any active check engine light will cause an automatic emissions test failure in most states.

How much does it typically cost to fix?

Depends on the root cause. Simple fixes like a gas cap ($5-15) to sensor replacement ($150-300) to more complex repairs ($500+).

Reported Repair Costs for P0009

Based on 6 owner-reported repair costs from NHTSA complaints.

Low End

$320

Typical

$2500

High End

$3200

⚠️ These are owner-reported costs, not estimates. Actual costs vary by location, labor rates, and root cause. Source: NHTSA complaints database.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 Test the relevant sensor(s) with a multimeter before replacing
🔧 Clean or replace the mass air flow (MAF) sensor; check for vacuum leaks
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P0009: Engine Position System Performance Bank 2