What does fault code P0220 mean?

Throttle/Pedal Position Sensor/Switch B Circuit Malfunction. Second throttle position sensor (redundant TPS inside the throttle body) circuit fault.

P0220

Throttle/Pedal Position Sensor/Switch B Circuit Malfunction

Q: What are the symptoms of P0220?

Reduced power/limp mode; CEL; Possible surging idle

Q: What are the possible causes of P0220?

Faulty TPS; Carbon buildup in throttle body; Wiring issue

Q: How to fix P0220?

Clean throttle body; Test both TPS signals; Replace throttle body assembly if faulty (sensors usually not sold separately)

Severity: High Fuel & Air Metering Generic OBD-II Code Est. Repair: $200 - $600

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

Quick Answer

P0220 means “Throttle/Pedal Position Sensor/Switch B Circuit Malfunction.” Severity: High. Estimated repair cost: $200 - $600. Most common sign: Reduced power/limp mode.

What Does P0220 Mean?

Second throttle position sensor (redundant TPS inside the throttle body) circuit fault.

Common Symptoms

Reduced power/limp mode

CEL

Possible surging idle

Possible Causes

Faulty TPS

Carbon buildup in throttle body

Wiring issue

How to Fix P0220 – Repair Guide

Clean throttle body

Test both TPS signals

Replace throttle body assembly if faulty (sensors usually not sold separately)

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Budgeting for This Repair?

A typical P0220 repair runs about $200 - $600. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.