← View Generic C2078 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C2078: C2078: Wheel Speed Sensor Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $300
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 C2078 Mean on 2021 Honda PASSPORT?
The wheel speed sensor malfunction code C2078 indicates that the vehicle's anti-lock braking system (ABS) has detected an issue with one or more wheel speed sensors.
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Symptoms
- • ABS warning light on
- • traction control system malfunction
- • uneven tire wear
- • vibration while driving
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Common Causes
- • Faulty wheel speed sensor
- • wiring issue
- • sensor connector corrosion
- • sensor mounting problem
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How to Fix C2078 on 2021 Honda PASSPORT
1. Check and clean the wheel speed sensor connectors and wiring. 2. Replace the faulty wheel speed sensor. 3. Check and adjust the sensor mounting. 4. Update the ABS control module software.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C2078
C2076
Sequential Code
C2076: Electronic Stability Control (ESC) Malfunction
Medium
C2077
Sequential Code
C2077: Traction Control System Malfunction
Medium
C2079
Sequential Code
C2079: ABS System Malfunction
High
C2080
Sequential Code
C2080: Brake System 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