C0561 — Vacuum Sensor A/B Correlation

What Does C0561 Mean?

C0561 is a diagnostic trouble code indicating: Vacuum Sensor A/B Correlation. This code relates to the chassis system. It has been reported in NHTSA complaints across 3 different vehicle models.

Symptoms of C0561

⚠️ Check engine light illuminated
⚠️ Jerking or surging while driving
⚠️ Traction control system activated
⚠️ Steering issues

Common Causes

🔍 Wiring or connector problem
🔍 Sensor or control module malfunction

C0561 Reports by Year

2014

2

2011

1

2015

1

2018

1

2016

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"THE FOLLOWING CODES ARE ACTIVE; P0463 FUEL LEVEL SENSOR A CIRCUIT HIGH INPUT, B0561 ABS $43 SYS DISABLED AND C0561 SYS DISABLED ISSUES. THE FUEL GAUGE WAS FLUCTUATING, BUT HAS NOW STOPPED WORKING. THE SERVICE ENGINE SOON LIGHT CAME ON AND WILL NOT RESET TO OFF. THE SERVICE SEAT BELT WARNING MESSAGE"
— Chevrolet Malibu owner, 02/01/2011

"WITHIN A WEEK OF OWNING CAR ERROR CODE P0011 CAMSHAFT ALIGNMENT?CAME UP. DEALER GOT LIGHT TO GO OFF. SAID NOTHING WAS WRONG WITH CAR. ELECTRICAL PROBLEMS WITH POWER LOCKS ALSO, NOW MY COMPLETE STEERING COLUMN IS GONE.5 ERROR CODES C0545/C0561, NON FUNCTIONING ELECTRIC POWER STEERING. I AM LUCKY THA"
— Chevrolet Malibu owner, 02/01/2014

"FIST OCCURRED APPROX. 4YRS AGO THE STEERING WILL LOCK WHILE CAR IS IN MOTION TRACTION LIGHT POPS ON AND STEERING WILL LOCK CANNOT MOVE THE ONLY RECOURSE IS TO PLACE IN PARK, TURN OFF AND BACK ON TO FREE STEERING. I REPORTED TO MAUNDY CHEVROLET DEALERSHIP I WAS THERE IS NOT A CHECK ENGINE LIGHT ON"
— Chevrolet Malibu owner, 03/22/2018

Source: NHTSA Complaints Database

Most Reported Vehicles for C0561

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	CHEVROLET MALIBU
2	CHEVROLET TRAVERSE
3	GMC ACADIA

C0561 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

CHEVROLET MALIBU

4 NHTSA reports · Peak: 2009, 2007, 2010

CHEVROLET TRAVERSE

2 NHTSA reports · Peak: 2010, 2013

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

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
🔧 Inspect wiring harness and connectors for damage, corrosion, or loose connections
🔧 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.

C0561: Vacuum Sensor A/B Correlation