P0222 — Throttle/Pedal Position Sensor/Switch B Circuit Low Input
Category: Powertrain Severity: High
Updated:
DTC code P0222 means: Throttle/Pedal Position Sensor/Switch B Circuit Low Input. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include failed sensor B, signal wire grounded or open and missing 5 V reference; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed sensor B
- Signal wire grounded or open
- Missing 5 V reference
- Loose connector
Symptoms
- Limp mode
- Car barely accelerates
- Check engine light
How to diagnose it step by step
- Check the connector.
- Measure 5 V and ground.
- Measure signal B.
- Replace the component.
How to fix it
Measure the 5 V reference and signal B. A missing reference is usually a damaged wire or another sensor shorting it.
Estimated repair cost
$100–600.
Frequently asked questions
What does DTC code P0222 mean?
Throttle/Pedal Position Sensor/Switch B Circuit Low Input.
Is code P0222 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0222?
Only as needed.
Related codes
P0221 P0223 P0220 P0219 P0217 P0230 P0234 P0200 P0299
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