← View Generic P0880 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0880: P0880: Transmission Control Module (TCM) Internal Failure

on 2021 Honda PASSPORT

Fix Cost

$500 - $1500

Parts & Labor

Difficulty

4/5

2-4 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 P0880 Mean on 2021 Honda PASSPORT?

The Transmission Control Module (TCM) has failed internally, preventing it from communicating with other systems in the vehicle.

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Symptoms

• Transmission slips
• hesitation
• or refuses to engage gears
• loss of power
• check engine light illuminated

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Common Causes

• Faulty TCM
• wiring issues
• faulty sensors
• software corruption

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How to Fix P0880 on 2021 Honda PASSPORT

1. Disconnect battery to reset TCM, 2. Check and clear any other trouble codes, 3. Inspect and repair or replace wiring and sensors as needed, 4. Update TCM software if necessary, 5. Replace TCM if faulty

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Transmission Control Module Shop ↗ Wiring harness Shop ↗ Sensors 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 P0880

P0878 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