← View Generic C3790 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3790: C3790: Steering Column Lock Actuator Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $300
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 C3790 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The C3790 code indicates a malfunction in the steering column lock actuator circuit, which can cause issues with the steering column locking and unlocking.
⚠️

Symptoms

  • • Difficulty locking or unlocking the steering column
  • • unusual noises or vibrations when turning the wheel
  • • or the steering column becoming stuck.
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Common Causes

  • • Faulty steering column lock actuator
  • • wiring issues
  • • or a problem with the steering column lock switch.
🛠️

How to Fix C3790 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to reset the system. 2. Check and clean the steering column lock actuator and switch. 3. Replace the faulty steering column lock actuator or switch if necessary. 4. Inspect and repair any damaged wiring.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Steering column lock actuator Shop ↗ Steering column lock switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C3790

C3788 Sequential Code

Chassis System Code C3788 - Brake System

High
C3789 Sequential Code

C3789: Front Left Lower Control Arm Fracture

High
C3791 Sequential Code

C3791: Electronic Stability Control (ESC) Malfunction

Medium
C3792 Sequential Code

C3792: Traction Control System 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