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P0221 on CHEVROLET TRAVERSE

Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance

NHTSA Reports
4
Severity
Medium
Most Affected
2011, 2010
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012

What P0221 Means on Your CHEVROLET TRAVERSE

P0221 is a diagnostic trouble code indicating: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance. This code relates to the fuel injection system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

4 CHEVROLET TRAVERSE owners have reported this issue to NHTSA across model years 2010-2011. Most reports come from the 2011, 2010 model years.

Real CHEVROLET TRAVERSE Owner Reports

Source: NHTSA Complaints Database

"Chevy traverse 2010 with 74k miles. driving vehicle on highway during morning traffic. vehicle check engine light came on, service stabilitrak warning, traction control off warning, and reduced engine power warning. vehicle suddenly reduced engine power from 65mph to 25mph."

— 2010 CHEVROLET TRAVERSE owner · ELECTRICAL SYSTEM · Filed 12/29/2014

"Vehicle had error messages, service traction control, traction control is off, service stabilitrax, engine power is reduced. vehicle was slow to accelerate and experienced decreased speed. vehicle vibrating while idling."

— 2011 CHEVROLET TRAVERSE owner · ELECTRONIC STABILITY CONTROL (ESC),TRACTION CONTROL SYSTEM · Filed 02/09/2015

"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

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

📊 Complaint Trend by Model Year

1
'10
3
'11

Common Causes on CHEVROLET TRAVERSE

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM 25%
SERVICE BRAKES,ENGINE,FUEL/PROPULSION SYSTEM 25%
ELECTRONIC STABILITY CONTROL (ESC),TRACTION CONTROL SYSTEM 25%
ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 25%

What To Do Next

  1. 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. 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. 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 P0221 mean on a CHEVROLET TRAVERSE? ▾
P0221 indicates: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance. This is a fuel injection code. 4 CHEVROLET TRAVERSE owners have reported this to NHTSA.
What are the most common causes of P0221 on CHEVROLET TRAVERSE? ▾
Based on 4 NHTSA reports, the most commonly cited components are: Electrical System, Service Brakes,Engine,Fuel/Propulsion System, Electronic Stability Control (Esc),Traction Control System. These percentages are based on the component field in owner complaints.
Is P0221 serious on my CHEVROLET TRAVERSE? ▾
Of 4 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 P0221? ▾
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.

P0221 on Other Vehicles

→ All codes reported on CHEVROLET TRAVERSE