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

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost

$200 - $800

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2020 Chevrolet

SILVERADO 1500 PICKUP

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Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0890 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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 2020 Chevrolet SILVERADO 1500 PICKUP

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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