← View Generic P0221 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P0221: Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem
on 2021 Honda PASSPORT
Fix Cost
$80 - $400
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
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Important for 2021 Honda PASSPORT Owners
Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0221 Mean on 2021 Honda PASSPORT?
The secondary throttle position sensor signal does not correlate properly with other engine parameters.
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Symptoms
- • Inconsistent acceleration
- • poor performance
- • limp mode
- • erratic idle
- • reduced power output.
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Common Causes
- • Faulty throttle position sensor B
- • sensor misalignment
- • carbon buildup on throttle body
- • wiring resistance.
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How to Fix P0221 on 2021 Honda PASSPORT
Replace throttle position sensor B, clean throttle body, repair wiring, check sensor alignment and calibration.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P0221
P0219
Sequential Code
P0219: Fuel Injector Circuit Malfunction
Medium
P0220
Sequential Code
Throttle/Pedal Position Sensor/Switch B Circuit Malfunction
Medium
P0222
Sequential Code
P0222: Fuel Injector Circuit Malfunction
Medium
P0223
Sequential Code
P0223: Fuel Injector Circuit Malfunction
Medium
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system