What does the OBDII code P0221 mean? P0221 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'B' circuit, specifically a range or performance issue where the readings are outside …

OBD-II-equipped vehicles use diagnostic trouble codes (DTC) to identify the location of a problem and the part affected. P0221 code specifically indicates an issue with the throttle position...

This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Although generic, the specific repair steps may vary depending on make/model.

This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what other codes may show

Primary culprits are sensor‑circuit faults, damaged wiring, or a control module that can’t interpret the signal correctly. Diagnosis starts with a scan tool, live‑data review, and wiring continuity checks; …

Feb 7, 2025 · The P0221 code is a diagnostic trouble code (DTC) that indicates an issue with the throttle or pedal position sensor. Specifically, it refers to Sensor B’s range or performance being out of …

Learn about P0221 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.

Sep 17, 2025 · Learn all about the P0221 code, what causes throttle/pedal position sensor/switch "B" circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

What Does The P0221 Code Mean? The throttle position sensor is a potentiometer that measures the amount of throttle opening. As the throttle is opened, the reading (measured in volts) goes up.

Dec 19, 2024 · Find out what a P0221 code means, its symptoms, as well as its most common causes. Plus, learn the best way to resolve it. Read on.