← View Generic C1402 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

C1402: C1402: Rear Suspension Control Module (RSCM) Fault

on 2014 Nissan SENTRA

Fix Cost

$200 - $800

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 C1402 Mean on 2014 Nissan SENTRA?

The C1402 code indicates a fault in the rear suspension control module (RSCM), which regulates the rear suspension's height and damping.

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Symptoms

• Sagging rear suspension
• uneven tire wear
• reduced ride height
• and possible loss of stability.

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Common Causes

• Faulty RSCM
• wiring issues
• or sensor malfunctions.

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How to Fix C1402 on 2014 Nissan SENTRA

1. Disconnect the battery to clear the code. 2. Inspect and clean the RSCM wiring harness. 3. Check and replace faulty sensors. 4. Update the RSCM software if necessary. 5. Replace the RSCM if all else fails.

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Parts for 2014 Nissan SENTRA

RSCM Shop ↗ wiring harness Shop ↗ sensors Shop ↗

Essential Tool

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with C1402

C1400 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