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P0976

P0976: Transmission Advanced System - Transmission Control Module (TCM) Input/Output Circuit Malfunction

Fix Cost

$500 - $1500

Parts & Labor

Difficulty

3/5

Moderate

1-2 hours

DIY Possible?

❌ No

Pro recommended

📖 What Does P0976 Mean?

The Transmission Control Module (TCM) has detected a malfunction in the input/output circuit, 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 illuminated on the dashboard.

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Common Causes

• Faulty transmission control module
• wiring issues
• faulty sensors
• or a problem with the transmission's hydraulic system.

Fix Guide

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Possible Solutions

1. Check the wiring and connectors for damage or corrosion and repair/replace as needed. 2. Inspect and clean the transmission sensors. 3. Update the transmission control module's software if necessary. 4. Replace the transmission control module if faulty.

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❓ Common Questions About P0976

Can I drive with code P0976?

You can drive for a short time, but should address code P0976 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix P0976?

The estimated repair cost for code P0976 is between $500 and $1500. 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.