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P0988

P0988: 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 P0988 Mean?

The Transmission Control Module (TCM) has detected a malfunction in the transmission's advanced system, which may cause transmission shifting issues, hesitation, or slipping.

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Symptoms

• Transmission hesitation
• slipping
• or difficulty shifting gears
• unusual noises
• or the transmission warning light on the dashboard.

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Common Causes

• Faulty transmission solenoid
• faulty transmission pressure sensor
• faulty transmission temperature sensor
• or a software issue in 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. Check for any loose connections or wiring issues.

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❓ Common Questions About P0988

Can I drive with code P0988?

You can drive for a short time, but should address code P0988 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix P0988?

The estimated repair cost for code P0988 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.