← View Generic P0628 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P0628: P0628: Engine Control Module (ECM) Output Circuit Malfunction

on 2014 Nissan SENTRA

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

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 P0628 Mean on 2014 Nissan SENTRA?

The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.

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Symptoms

• Engine performance issues
• rough idling
• decreased power
• and/or check engine light illumination

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Common Causes

• Faulty ECM output circuit
• damaged or corroded wiring
• or a malfunctioning ECM

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How to Fix P0628 on 2014 Nissan SENTRA

1. Check the ECM output circuit for damage or corrosion and repair or replace as needed. 2. Inspect and clean the wiring harness. 3. If the issue persists, replace the ECM.

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Parts for 2014 Nissan SENTRA

ECM Shop ↗ wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0628

P0626 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