P0221 OBD-II Trouble Code: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem

Our certified mechanics come to you · Get a fair and transparent estimate upfront


Cost of diagnosing the P0221 code

P0221 is a diagnostic trouble code (DTC) for "Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 . Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $50.0 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate* Credit towards follow-up repair Earliest Availability
Ford $154.99 $50.0
Toyota $154.99 $50.0
BMW $164.99 $50.0

*Estimates may vary by market

SCHEDULE P0221 DIAGNOSTIC Get a fair and transparent estimate upfront

P0221 Code Definition

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

What the P0221 code means

This code means that the voltage or resistance in the circuitry of the throttle position sensor has fallen out of the acceptable range specified by the manufacturer.

What are the causes of the P0221 code?

A faulty throttle position sensor Damaged or loose wiring associated with the throttle position sensor Throttle body malfunction A faulty powertrain control module A misaligned throttle position sensor

What are the symptoms of the P0221 code?

Engine does not start Engine runs rough Hesitation or stumble Loss of power or poor acceleration

How does a mechanic diagnose the P0221 code?

  • Inspects the throttle body for any obvious damages.

  • Plugs in or repairs any electrical connectors that are unplugged or damaged

  • Ensures that the throttle position sensor is installed correctly

  • Tests the sensor using the manufacturer’s recommendations

If no problems are found with the throttle body position sensor, it is possible that the Engine Control Module (ECM) may have an issue.

Common mistakes when diagnosing the P0221 code

Replacing the throttle position sensor without testing it.

Many people think that just because a part is mentioned in a trouble code definition, it means that the part must be causing the problem. This can oftentimes lead to a misdiagnosis and wasted time and money.

How serious is the P0221 code?

The P0221 code is moderately serious, as it can cause several driveability problems and the engine will not perform correctly. The symptoms could cause longer drive times to work which can be very bothersome to the vehicle owner. Have this issue corrected quickly in order to get the vehicle to perform as it should again.

What repairs can fix the P0221 code?

Additional comments regarding the P0221 code?

Just like with any other Check Engine Light code, it is best to get the problem diagnosed and repaired as soon as possible in order to prevent further engine or vehicle damage.

Need help with a P0221 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

Check Engine Light
P0221
trouble codes

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P0221 code.

SCHEDULE P0221 DIAGNOSTIC
Get a $50 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating

(8600)

Rating Summary
8017
273
65
46
199
8017
273
65
46
199
 at YourMechanic

Brandon

9 years of experience
133 reviews
Brandon
9 years of experience
Ford Escort L4-2.0L - Check Engine Light is on - Nashville, Tennessee
Brandon showed up ahead of schedule, was very personable and diagnosed my problems. He also scheduled my next appointments which will be with him.
 at YourMechanic

William

23 years of experience
33 reviews
William
23 years of experience
Lexus IS250 V6-2.5L - Check Engine Light is on - Mableton, Georgia
Arrived early which was great. William was courteous, and attentive to the issue. Even though it took several attempts I'm so happy he was determined to fix it and he did!
 at YourMechanic

Dan

40 years of experience
1080 reviews
Dan
40 years of experience
Plymouth Grand Voyager - Check Engine Light is on - Lawrenceville, Georgia
Mr. Dan Barber was quite patient, courteous and quite knowledgeable. From my observation, Mr. Barber appears to be quite professional.
 at YourMechanic

Christopher

9 years of experience
120 reviews
Christopher
9 years of experience
Ford Fiesta L4-1.6L - Check Engine Light is on - Smyrna, Georgia
Chris communicated with us each step of the way up until his arrival. He listened well, was knowledgeable, and was prepared. He took the time to diagnose the problem, explained the what, why and how and provided a solution. I would definitely recommend him and will use him again.


Related questions

Codes P0121, P0221, P2101, P2104, P2110, P2111
Here are the codes, what they mean and the potential causes below each of them. Note that some of them may be related and can cause additional codes to be triggered that may be fixed when one of it's related...

More related articles

P0325 OBD-II Trouble Code: Knock Sensor Malfunction (Sensor 1, Bank 1)
P0325 code definition Knock Sensor Malfunction (Sensor 1, Bank 1) What the P0325 code means P0325 is a general ODB2 diagnostic trouble...
P0284 OBD-II Trouble Code: Cylinder 8 Contribution/Balance Fault
P0284 P0284 code definition The P0284 code being stored indicates that your number eight cylinder is suffering from a problem related to fuel and, thus, can’t function properly. What the P0284 code means Your vehicle’s PCM keeps track of the...
P0487 OBD-II Trouble Code: Exhaust Gas Recirculation Throttle Control Circuit A
P0487 code means that the car’s computer did not register the correct amount of air pressure in the manifold due to malfunction.

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com