← View Generic C1997 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1997: C1997: Rear Suspension Height Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$150 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2021 Honda

PASSPORT

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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 C1997 Mean on 2021 Honda PASSPORT?

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 2021 Honda PASSPORT

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 2021 Honda PASSPORT

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

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with C1997

C1995 Sequential Code

💡 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