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P0984

P0984: Transmission Advanced System - Transmission Control Module (TCM) Malfunction

Fix Cost

$200 - $800

Parts & Labor

Difficulty

3/5

Moderate

1-2 hours

DIY Possible?

❌ No

Pro recommended

📖 What Does P0984 Mean?

The Transmission Control Module (TCM) has detected a malfunction in the transmission's advanced system, which may cause issues with gear shifting, transmission performance, or other transmission-related problems.

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Symptoms

• Sluggish or delayed shifting
• hesitation when shifting gears
• transmission slipping
• or difficulty shifting into certain gears.

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Common Causes

• Faulty transmission solenoid
• faulty transmission pressure sensor
• faulty transmission temperature sensor
• or a software issue with the TCM.

Fix Guide

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Possible Solutions

1. Clear the code and monitor the vehicle to see if the issue reoccurs. 2. Check and replace the faulty transmission solenoid, pressure sensor, or temperature sensor. 3. Update the TCM software if necessary. 4. Perform a transmission fluid flush and fill.

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❓ Common Questions About P0984

Can I drive with code P0984?

You can drive for a short time, but should address code P0984 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix P0984?

The estimated repair cost for code P0984 is between $200 and $800. This includes parts and labor for most makes and models.

Is this code easy to fix myself?

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.