← View Generic C3117 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3117: C3117: Rear Suspension Control Module (RSCM) Fault

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does C3117 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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

  • • Sway bar vibrations
  • • uneven tire wear
  • • reduced suspension travel
  • • and possible loss of vehicle stability.
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Common Causes

  • • Faulty RSCM sensor
  • • wiring damage
  • • loose or worn-out suspension components
  • • or incorrect suspension settings.
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How to Fix C3117 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clear any trouble codes. 2. Inspect and clean the RSCM sensor and wiring harness. 3. Check and adjust the rear suspension components. 4. Replace the RSCM sensor if faulty. 5. Update the vehicle's software if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

RSCM sensor Shop ↗ wiring harness Shop ↗ suspension components Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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🔗

Related Diagnostic Codes

Other codes that may appear with C3117

C3115 Sequential Code

C3115: ABS System Malfunction

Medium
C3116 Sequential Code

C3116: Brake System Pressure Sensor Circuit Malfunction

Medium
C3118 Sequential Code

C3118: Steering Column Position Sensor Circuit Malfunction

Medium
C3119 Sequential Code

C3119: 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