← View Generic C1535 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1535: C1535: Rear Suspension Control Module (RSCM) Fault

on 2021 Honda PASSPORT

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does C1535 Mean on 2021 Honda PASSPORT?

The Rear Suspension Control Module (RSCM) has detected an issue with the rear suspension system, such as a faulty sensor or a problem with the suspension's electronic control system.
⚠️

Symptoms

  • • Sway bar vibrations
  • • uneven tire wear
  • • reduced suspension travel
  • • and difficulty steering
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Common Causes

  • • Faulty RSCM sensor
  • • loose or damaged suspension components
  • • worn-out bushings
  • • or a malfunctioning electronic control unit
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How to Fix C1535 on 2021 Honda PASSPORT

1. Check and clear any trouble codes. 2. Inspect and replace any damaged or worn-out suspension components. 3. Test the RSCM sensor and replace it if faulty. 4. Update the electronic control unit's software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

RSCM sensor Shop ↗ Suspension bushings Shop ↗ Electronic control unit Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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🔗

Related Diagnostic Codes

Other codes that may appear with C1535

C1533 Sequential Code

C1533: ABS System Malfunction

Medium
C1534 Sequential Code

C1534: Brake System Pressure Sensor Circuit Malfunction

Medium
C1536 Sequential Code

C1536: Steering Column Position Sensor Circuit Malfunction

High
C1537 Sequential Code

C1537: Electronic Stability Control (ESC) Malfunction

Medium

💡 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