Diagnostic trouble code
P0221
Powertrain
Unverified
Powertrain (P)
Throttle
Throttle position sensor B range / performance
The second throttle position track is out of range.
What P0221 means
The second throttle position track is out of range.
Symptoms you may notice
- Check engine light
- Limp mode
Possible causes
- Faulty dual-track TPS
- Carbon in throttle
- Wiring fault
Causes are listed from most to least likely for this code. Confirm the actual cause with the diagnostic checks before replacing parts.
Checks to run
- Read both TPS tracks
- Clean the throttle
- Test wiring
Tools you may need
OBD-II scanner
Throttle cleaner
Related codes
More Throttle codes →
P0120
Throttle position sensor / pedal circuit malfunction
P0121
Throttle position sensor range / performance problem
P0122
Throttle position sensor circuit low input
P0123
Throttle position sensor circuit high input
P0220
Throttle position sensor B circuit malfunction
P0638
Throttle actuator control range / performance
Verification and editorial notes
UnverifiedThis page has not been technically verified yet. Confirm the diagnosis and measurements in the workshop manual for your vehicle.
Diagnose before replacing. A diagnostic trouble code identifies the circuit or
system the control unit flagged. It does not prove that a particular part has failed. Confirm
the cause with the measurements and checks above, and follow the workshop manual for your exact
engine before replacing parts or clearing codes.