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P0222CriticalFuel & Air Metering

P0222 on 2006-2016 Chevrolet Impala (LS, LT, LTZ, Premier) — Throttle/Pedal Position Sensor/Switch B Circuit Low Input

1 vehicles · 1 makes · $100-$450 repair

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Most Reported On

2006-2016Chevrolet ImpalaLS +3

P0222 is an OBD-II diagnostic trouble code meaning “Throttle/Pedal Position Sensor/Switch B Circuit Low Input.” The PCM detected that the 'B' throttle/pedal position sensor signal voltage is below the expected minimum (short to ground or open). The implausibly low reading typically triggers reduced-power protection. This code is most commonly reported on 2006-2016 Chevrolet Impala (LS, LT, LTZ, Premier), with repair costs ranging from $100 to $450.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (2)
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Common Causes

1Short to ground in the B signal circuit
2Open reference (5V) supply to the sensor
3Faulty throttle/pedal position sensor (B)
4Corroded or loose connector
5PCM fault

Typical Repair Cost

$100 - $450

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose P0222, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

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A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

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  • No batteries or app needed
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Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

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A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

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Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

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Vehicles Affected (1)

Chevrolet P0222 page →
ImpalaCritical

Reduced Engine Power / Service StabiliTrak from Throttle Body Failure

2006-2016$100-$4500 reports

Related Codes (8)

P0220Throttle/Pedal Position Sensor/Switch B Circuit MalfunctionP0221Throttle/Pedal Position Sensor/Switch B Circuit Range/PerformanceP0223Throttle/Pedal Position Sensor/Switch B Circuit High InputP0224Throttle/Pedal Position Sensor/Switch B Circuit IntermittentP0001Fuel Volume Regulator Control Circuit/OpenP0002Fuel Volume Regulator Control Circuit Range/PerformanceP0003Fuel Volume Regulator Control Circuit LowP0004Fuel Volume Regulator Control Circuit High

FAQ

What does P0222 mean?

P0222 stands for "Throttle/Pedal Position Sensor/Switch B Circuit Low Input." The PCM detected that the 'B' throttle/pedal position sensor signal voltage is below the expected minimum (short to ground or open). The implausibly low reading typically triggers reduced-power protection.

What are the most common causes of P0222?

The most common causes of P0222 are: Short to ground in the B signal circuit, Open reference (5V) supply to the sensor, Faulty throttle/pedal position sensor (B), Corroded or loose connector, PCM fault. The specific cause varies by vehicle.

How much does it cost to fix P0222?

Repair costs for P0222 range from $100 to $450, depending on the vehicle and root cause.

Which vehicles are affected by P0222?

Au7o has documented P0222 across 1 vehicle models from 1 manufacturers: Chevrolet.

Sources (2)

  • ForumReduced Engine Power and Service Stability Control / Throttle Body issue — Impala Forums
  • Forum2011 Chevy Impala - Service Stabilitrak - Reduced Engine Power — Edmunds
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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