← View Generic P0737 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0737: P0737: Transmission Control System Malfunction

on 2021 Honda PASSPORT

Fix Cost

$200 - $1000

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 P0737 Mean on 2021 Honda PASSPORT?

The transmission control system is malfunctioning, causing issues with gear shifting and transmission operation.

⚠️

Symptoms

• Difficulty shifting gears
• slipping or hesitation between gears
• transmission warning light on

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Common Causes

• Faulty transmission solenoid
• clogged transmission filter
• low transmission fluid level
• worn or damaged transmission components

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How to Fix P0737 on 2021 Honda PASSPORT

1. Check transmission fluid level and top off as needed. 2. Inspect and clean the transmission filter. 3. Replace faulty transmission solenoid. 4. Replace worn or damaged transmission components.

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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 solenoid Shop ↗ Transmission filter Shop ↗ Transmission fluid Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0737

P0735 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