← View Generic P0814 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P0814: P0814: Transmission Control Module (TCM) Range/Performance Issue

on 2014 Nissan SENTRA

Fix Cost

$200 - $1000

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2014 Nissan

SENTRA

⚠️

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 P0814 Mean on 2014 Nissan SENTRA?

The Transmission Control Module (TCM) has detected an issue with its range and performance, which may cause transmission problems.

⚠️

Symptoms

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

🔍

Common Causes

• Faulty TCM
• transmission solenoid malfunction
• wiring issues
• or low transmission fluid level

🛠️

How to Fix P0814 on 2014 Nissan SENTRA

1. Check transmission fluid level and condition; 2. Inspect wiring and connectors for damage; 3. Test transmission solenoids; 4. Update TCM software if necessary; 5. Replace faulty TCM or transmission solenoids if necessary

🔧

Need Maintenance Info for Your SENTRA?

Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.

View 2014 Nissan SENTRA Specs

Parts for 2014 Nissan SENTRA

Transmission Control Module Shop ↗ Transmission Solenoids Shop ↗ Wiring Harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2014 Nissan SENTRA

Shop Scanners ↗

🔗

Related Diagnostic Codes

Other codes that may appear with P0814

P0812 Sequential Code

💡 Why These Codes Are Related:

• Similar Issues: Same root cause or component failure
• Related Problems: Often occur together due to system interactions
• Sequential Codes: Progressive failure stages or multiple sensors
• Same System: Components within the same automotive system