← View Generic C0266 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C0266: C0266: ABS System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 C0266 Mean on 2021 Honda PASSPORT?
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
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Symptoms
- • ABS warning light on
- • vehicle may vibrate or pull to one side during braking
- • reduced braking performance
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Common Causes
- • Faulty wheel speed sensor
- • ABS module failure
- • wiring issue
- • faulty brake sensor
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How to Fix C0266 on 2021 Honda PASSPORT
1. Check and clean wheel speed sensors, 2. Replace faulty wheel speed sensor, 3. Update ABS module software, 4. Check and repair wiring issues, 5. Replace ABS module if necessary
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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 C0266
C0264
Sequential Code
C0264: Traction Control System Malfunction
Medium
C0265
Sequential Code
C0265: Wheel Speed Sensor Malfunction
Medium
C0267
Sequential Code
C0267: Brake System Pressure Sensor Circuit Malfunction
Medium
C0268
Sequential Code
C0268: Rear Suspension Lower Control Arm Fracture
High
💡 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