P0221 - Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance

Throttle or pedal position sensor B is out of expected range.

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

1. Compare sensor A and B sweep on a scan tool
2. Inspect connector pins and harness routing
3. Check throttle plate movement for binding

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

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Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.