This guide is customized for your 2021 Honda PASSPORT
C1423: C1423: Rear Suspension Control Module (RSCM) Fault
on 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 C1423 Mean on 2021 Honda PASSPORT?
Symptoms
- • Uneven tire wear
- • reduced ride quality
- • vehicle sagging
- • difficulty steering
- • and vibrations while driving
Common Causes
- • Faulty rear suspension control module
- • wiring issues
- • or sensor malfunctions
How to Fix C1423 on 2021 Honda PASSPORT
1. Clear the code and monitor the vehicle's behavior. If the issue persists, replace the rear suspension control module. 2. Inspect and repair or replace any damaged wiring or sensors. 3. Check and adjust the rear suspension's height and damping settings.
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Related Diagnostic Codes
Other codes that may appear with C1423
C1421: ABS System Malfunction
C1422: Brake System Pressure Sensor Circuit Malfunction
C1424: Steering Column Position Sensor Circuit Malfunction
C1425: Electronic Stability Control (ESC) Malfunction
💡 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