P0223

High Severity

Throttle/Pedal Position Sensor B Circuit High

Fuel System

What Does P0223 Mean?

TPS B voltage is above maximum expected.

Common Fix

Replace throttle body

Estimated Cost (DIY)

$100 - $250

Symptoms

  • ⚠️High idle
  • ⚠️Surging
  • ⚠️Reduced power mode

Common Causes

Failed TPS Blikely
Open ground wirepossible

How to Diagnose P0223

  1. 1Check TPS connector and ground
  2. 2Measure voltage
  3. 3Replace throttle body

OEM Diagnostic Flowchart

Scroll to load technician if/then branches.

Read live data and freeze frame for P0223 to pinpoint the cause before buying parts.

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Related Resources

Repair guides, symptom pages, and wiring diagrams related to P0223.

OEM Manual Evidence

Browse →
2013 GMC Truck Yukon XL Denali AWD V8-6.2L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali AWD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...

2013 GMC Truck Yukon XL Denali 2WD V8-6.2L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...

2013 GMC Truck Yukon XL 4WD V8-6.0L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-6.0L Service Manual | Operation CHARM Operation CHARM : Car repair...

2013 GMC Truck Yukon XL 4WD V8-5.3L A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL 4WD V8-5.3L Service Manual | Operation CHARM Operation CHARM : Car repair...

Exact Vehicle Hubs

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2013 Gmc Truck Yukon Xl 4wd V8 5.3l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0223.

2013 Gmc Truck Yukon Xl 4wd V8 6.0l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0223.

2013 Gmc Truck Yukon Xl Denali 2wd V8 6.2l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0223.

2013 Gmc Truck Yukon Xl Denali Awd V8 6.2l Repair HubManual

Open the exact vehicle hub grounded by OEM manual evidence related to P0223.

Related Codes

P0220: Throttle/Pedal Position Sensor B CircuitRelated

The secondary TPS (sensor B) has a circuit fault. Modern drive-by-wire systems use two TPS for redundancy.

P0222: Throttle/Pedal Position Sensor B Circuit LowRelated

TPS B voltage is too low.

P0123: Throttle Position Sensor A Circuit HighRelated

TPS voltage is above maximum expected. ECM sees the throttle as more open than it actually is.

Frequently Asked Questions

What if both TPS A and TPS B are high?
If both read high, the throttle may be physically stuck open. Check for carbon buildup or a stuck throttle plate.
Can I reset the throttle body after replacement?
Many vehicles require a throttle body relearn procedure after replacement. Some clear automatically; others need a scan tool.

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