← View Generic C1612 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1612: C1612: 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 C1612 Mean on 2021 Honda PASSPORT?

The Rear Suspension Control Module (RSCM) has detected an issue with the rear suspension system, possibly due to a faulty sensor, wiring problem, or malfunctioning module.
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Symptoms

  • • Sway bar movement
  • • uneven tire wear
  • • reduced ride height
  • • difficulty steering
  • • or a warning light on the dashboard.
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Common Causes

  • • Faulty RSCM sensor
  • • wiring damage
  • • loose or worn-out suspension components
  • • or a malfunctioning electronic control unit.
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How to Fix C1612 on 2021 Honda PASSPORT

1. Check and clear any trouble codes. 2. Inspect and replace any damaged wiring. 3. Check and adjust suspension components. 4. Replace the RSCM sensor if faulty. 5. Update the electronic control unit software if necessary.

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Parts for 2021 Honda PASSPORT

RSCM sensor Shop ↗ wiring harness Shop ↗ suspension components 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 C1612

C1610 Sequential Code

C1610: ABS System Malfunction

Medium
C1611 Sequential Code

C1611: Brake System Pressure Sensor Circuit Malfunction

Medium
C1613 Sequential Code

C1613: Steering Column Position Sensor Circuit Malfunction

Medium
C1614 Sequential Code

C1614: 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