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P0860

P0860: Transmission Control Module (TCM) Range/Performance Problem

Fix Cost

$200 - $1000

Parts & Labor

Difficulty

3/5

Moderate

1-2 hours

DIY Possible?

❌ No

Pro recommended

📖 What Does P0860 Mean?

The TCM has detected a problem with its internal range and performance calculations, which can cause issues with transmission shifting and performance.

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Symptoms

• Transmission hesitation
• slipping
• or refusal to engage gears
• unusual noises
• or difficulty shifting into gear

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Common Causes

• Faulty TCM
• faulty transmission solenoids
• faulty transmission sensors
• wiring issues
• or software problems

Fix Guide

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Possible Solutions

1. Clear any trouble codes and check for any other codes. 2. Inspect and clean the transmission solenoids and sensors. 3. Check and repair any wiring issues. 4. Update the TCM software if necessary. 5. Replace the TCM if all else fails.

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❓ Common Questions About P0860

Can I drive with code P0860?

You can drive for a short time, but should address code P0860 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix P0860?

The estimated repair cost for code P0860 is between $200 and $1000. 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.