TorqueMech OBD Code Guide
P0221 - Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
Throttle or pedal position sensor B is out of expected range.
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Estimate after confirmation
Code Overview
Throttle or pedal position sensor B is out of expected range.
Common Causes
- TPS/APP sensor B failure
- Wiring problem
- Throttle body issue
- Connector corrosion
Diagnostic Steps
- Compare sensor A and B sweep on a scan tool
- Inspect connector pins and harness routing
- Check throttle plate movement for binding
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.