← View Generic C2678 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C2678: C2678: Electronic Stability Control (ESC) 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 C2678 Mean on 2021 Honda PASSPORT?
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
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Symptoms
- • Vibrations
- • loss of traction
- • reduced braking performance
- • and/or reduced acceleration
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Common Causes
- • Faulty ESC sensor
- • wiring issue
- • or malfunctioning ESC module
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How to Fix C2678 on 2021 Honda PASSPORT
1. Check and clear any trouble codes. 2. Inspect and clean the ESC sensors. 3. Check and repair any wiring issues. 4. Replace the ESC 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 C2678
C2676
Sequential Code
C2676: Rear Suspension Lower Control Arm Fracture
High
C2677
Sequential Code
C2677: Steering Column Position Sensor Circuit Malfunction
Medium
C2679
Sequential Code
C2679: Traction Control Malfunction
Medium
C2680
Sequential Code
C2680: Wheel Speed Sensor 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