P0929: P0929: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

on 2014 Nissan SENTRA

Fix Cost

$500 - $1500

Parts & Labor

Difficulty

4/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2014 Nissan

SENTRA

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Important for 2014 Nissan SENTRA Owners

Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0929 Mean on 2014 Nissan SENTRA?

The Transmission Control Module (TCM) has detected an internal error, which may be caused by a faulty TCM, wiring issue, or software problem.

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Symptoms

• Transmission slips
• hesitation
• or refuses to engage gears
• check engine light illuminated

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Common Causes

• Faulty TCM
• wiring issue
• software problem
• transmission solenoid malfunction
• faulty transmission sensor

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How to Fix P0929 on 2014 Nissan SENTRA

1. Clear the code and monitor the vehicle to see if the code returns. If it does, replace the TCM. 2. Check and repair any wiring issues. 3. Update the transmission software if necessary. 4. Replace the transmission solenoid if faulty. 5. Replace the transmission sensor if faulty.

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