← View Generic C1997 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C1997: C1997: Rear Suspension Height Sensor Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$150 - $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 C1997 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The C1997 code indicates a malfunction in the rear suspension height sensor circuit, which monitors the vehicle's suspension height and sends signals to the onboard computer.
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Symptoms

  • • Rear end sag
  • • uneven tire wear
  • • difficulty steering
  • • and reduced ride height
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Common Causes

  • • Faulty rear suspension height sensor
  • • wiring issues
  • • or sensor connector problems
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How to Fix C1997 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to prevent further damage. 2. Locate the faulty sensor and replace it with a new one. 3. Inspect and clean the sensor connector. 4. Check and repair any wiring issues.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Rear suspension height sensor Shop ↗ Sensor connector Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C1997

C1995 Sequential Code

C1995: ABS System Malfunction

Medium
C1996 Sequential Code

C1996: Brake System Pressure Sensor Circuit Malfunction

Medium
C1998 Sequential Code

C1998: Steering Column Position Sensor Circuit Malfunction

Medium
C1999 Sequential Code

C1999: 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