P0890: P0890: Transmission Control Module (TCM) Range/Performance Issue

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 P0890 Mean on 2021 Honda PASSPORT?

The Transmission Control Module (TCM) has detected an issue with its internal range and performance calculations, which may cause transmission shifting problems.

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Symptoms

• Transmission hesitates or jerks
• delayed or abrupt shifting
• transmission slips or fails to engage gears

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Common Causes

• Faulty TCM
• faulty transmission solenoids
• faulty transmission sensors
• wiring issues
• software glitches

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How to Fix P0890 on 2021 Honda PASSPORT

1. Clear the code and monitor the vehicle to see if the issue reoccurs. 2. Check and replace faulty transmission solenoids. 3. Check and replace faulty transmission sensors. 4. Check and repair wiring issues. 5. Update transmission software if necessary.

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