← View Generic C1991 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1991: C1991: Steering Column Position Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $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 C1991 Mean on 2021 Honda PASSPORT?

The C1991 code indicates a problem with the steering column position sensor circuit, which helps the vehicle's computer determine the steering wheel's position and angle.

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Symptoms

• Steering wheel feels loose or unresponsive
• difficulty turning the wheel
• unusual steering vibrations
• or the 'check engine' light comes on.

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Common Causes

• Faulty steering column position sensor
• wiring issues
• or a problem with the sensor's electrical connection.

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How to Fix C1991 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check and clean the sensor's electrical connection. 3. Replace the steering column position sensor if faulty.

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Parts for 2021 Honda PASSPORT

Steering column position sensor Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with C1991

C1989 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