P0900: P0900: Transmission Advanced 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

⚠️

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 P0900 Mean on 2021 Honda PASSPORT?

The P0900 code indicates a malfunction in the transmission advanced system, which controls the transmission's adaptive learning and self-diagnostic capabilities.

⚠️

Symptoms

• Transmission slipping
• hesitation
• or hesitation during shifting
• unusual noises
• or the transmission warning light illuminated on the dashboard.

🔍

Common Causes

• Faulty transmission control module
• faulty transmission solenoid pack
• faulty transmission pressure sensor
• or a problem with the transmission's adaptive learning system.

🛠️

How to Fix P0900 on 2021 Honda PASSPORT

1. Clear any trouble codes and perform a scan tool test to verify the code. 2. Check the transmission fluid level and condition. 3. Inspect the transmission solenoid pack for any signs of wear or damage. 4. Test the transmission pressure sensor. 5. Update the transmission control module's software if necessary. 6. Replace the faulty transmission solenoid pack or pressure sensor if necessary.

🔧