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EngineModerate⚠️ Professional Recommended

P0222

Throttle/Pedal Position Sensor/Switch B Circuit Low Input

The secondary throttle position sensor (Sensor B) is reading a voltage lower than expected.

SeverityModerate
CategoryEngine
Est. Repair Cost$200-$500
Code TypePowertrain
DIY RepairProfessional

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Inspect wiring and ground
  • Step 2:Test sensor B voltage
  • Step 3:Replace throttle body if sensor has failed
💡 Pro Tip: Check the throttle body ground strap condition - a poor ground can cause low-voltage readings on both sensors.

Repair Cost Estimate

Full Repair Estimate
$200-$500
DIY Possible?
PRO
Severity
Moderate

Frequently Asked Questions

What does OBD2 code P0222 mean?+
P0222 stands for Throttle/Pedal Position Sensor/Switch B Circuit Low Input. The secondary throttle position sensor (Sensor B) is reading a voltage lower than expected.
What causes code P0222?+
Faulty sensor; Damaged wiring; Poor ground connection
How do I fix code P0222?+
Inspect wiring and ground; Test sensor B voltage; Replace throttle body if sensor has failed
How much does it cost to fix P0222?+
Estimated repair cost for P0222 is $200-$500.
Is P0222 DIY-friendly?+
P0222 typically requires professional equipment and a qualified mechanic.

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