← View Generic P0746 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0746: P0746: Transmission Control 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 P0746 Mean on 2021 Honda PASSPORT?

The transmission control system has malfunctioned, causing issues with gear shifting and transmission operation.

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Symptoms

• Difficulty shifting gears
• slipping transmission
• hesitation when accelerating
• or a check engine light.

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Common Causes

• Faulty transmission control module
• faulty solenoid
• faulty transmission sensor
• or a wiring issue.

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How to Fix P0746 on 2021 Honda PASSPORT

1. Check and clear any trouble codes. 2. Inspect and clean the transmission sensor and solenoid. 3. Replace the faulty transmission control module or solenoid if necessary. 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.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Transmission control module Shop ↗ Solenoid Shop ↗ Transmission sensor Shop ↗ Wiring harness 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 P0746

P0744 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