← View Generic C3801 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C3801: C3801: Anti-lock Braking System (ABS) Pump Control Module Fault

on 2021 Honda PASSPORT

Fix Cost

$200 - $500

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 C3801 Mean on 2021 Honda PASSPORT?

The ABS pump control module has detected a fault in the ABS system, which may cause the ABS system to malfunction or not function at all.

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Symptoms

• ABS warning light on
• ABS system not functioning
• vehicle may vibrate or pull to one side during braking

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Common Causes

• Faulty ABS pump control module
• faulty ABS sensor
• faulty ABS wheel speed sensor
• wiring issue

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How to Fix C3801 on 2021 Honda PASSPORT

1. Check for any fault codes stored in the ABS module, 2. Inspect and clean the ABS sensors and wheel speed sensors, 3. Replace the ABS pump control module if faulty, 4. Check and repair any wiring issues

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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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Parts for 2021 Honda PASSPORT

ABS pump control module Shop ↗ ABS sensor Shop ↗ ABS wheel speed sensor Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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Related Diagnostic Codes

Other codes that may appear with C3801

C3799 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