← View Generic C1378 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1378: C1378: 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 C1378 Mean on 2021 Honda PASSPORT?

The wheel speed sensor malfunction code indicates a problem with the wheel speed sensor circuit, which can cause issues with the anti-lock braking system (ABS) and traction control system (TCS).

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Symptoms

• ABS and TCS warning lights on
• vehicle may vibrate or pull to one side during braking
• reduced traction control performance

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Common Causes

• Faulty wheel speed sensor
• wiring issue
• sensor connector corrosion
• faulty ABS/TCS module

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How to Fix C1378 on 2021 Honda PASSPORT

1. Check and clean the wheel speed sensor connector and wiring. 2. Replace the wheel speed sensor if faulty. 3. Update the ABS/TCS module software if necessary. 4. Check and clear any other related trouble codes.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Wheel speed sensor Shop ↗ Sensor connector Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C1378

C1376 Sequential Code

💡 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