P0223
High SeverityThrottle/Pedal Position Sensor B Circuit High
Fuel System
P0223 — Instant Answer
Throttle/Pedal Position Sensor B Circuit High
Severity: HIGH SEVERITY
Meaning: TPS B voltage is above maximum expected.
Safe to drive? NO if CEL is flashing. YES with caution if solid, but repair this week.
Estimated repair cost: $100 - $250
Most common causes:
- 1. Failed TPS B (35-45% of cases)
- 2. Open ground wire (10-25% of cases)
Symptoms
- ⚠️High idle
- ⚠️Surging
- ⚠️Reduced power mode
Common Causes
How to Diagnose P0223
- 1Check TPS connector and ground
- 2Measure voltage
- 3Replace throttle body
OEM Procedures for P0223
P0223 affects the Throttle Position Sensor. Found 9 OEM service manual procedures.
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Replacement - Replace Throttle Position Sensor
Replacement - Replace Throttle Position Sensor
Showing 8 of 9 procedures
OEM Diagnostic Flowchart
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Parts & Tools for This Job
Common parts shoppers buy for P0223 Throttle/Pedal Position Sensor B Circuit High.
Oxygen Sensor
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Spark Plugs
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Mass Air Flow Sensor
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Fuel Injectors
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Engine Oil
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OBD2 scanner
Read codes and freeze-frame data before you guess at the fault.
Most diagnostic jobs start with a scan tool and a verified code path.
Check SpecificationsBattery tester
Check cranking and charging health before replacing expensive parts.
A weak battery can mimic alternator or starter problems.
Check SpecificationsMultimeter kit
Confirm voltage, continuity, and sensor power with one simple kit.
A meter is the cheapest way to rule out a bad circuit fast.
Check SpecificationsRelated Resources
Repair guides, symptom pages, and wiring diagrams related to P0223.
OEM Manual Evidence
Browse →Electronic Throttle Control DTCS — 2013 Acura MDX 3.7L Eng VIN 2 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined...
Electronic Throttle Control DTCS — 2013 Acura MDX 3.7L Eng VIN YD2 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagine...
Engine Control System - Advanced DTCS — 2013 Acura RDX 3.5L Eng VIN 3 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimag...
Engine Control System DTCS — 2013 Acura RDX 3.5L Eng VIN 3 Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >...
Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0223.
Open the exact vehicle hub grounded by OEM manual evidence related to P0223.
Open the exact vehicle hub grounded by OEM manual evidence related to P0223.
Related Codes
The secondary TPS (sensor B) has a circuit fault. Modern drive-by-wire systems use two TPS for redundancy.
TPS B voltage is too low.
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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Author & Review
Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.
Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.
Last updated: 2026-10-30