AutoCodes – Lincoln – C1920 Lincoln

C1920 Lincoln Code - Parking Aid System LED Circuit Failure

Quick Answer

The Parking Aid System is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). Common causes include Faulty Parking Aid Switch, Parking Aid Switch harness is open or shorted, Parking Aid Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C1920 Lincoln indicates Parking Aid System LED Circuit Failure.
Common causes: Common causes include Faulty Parking Aid Switch, Parking Aid Switch harness is open or shorted, Parking Aid Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 644

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1920 Lincoln Description

The Parking Aid System is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). The system can be disabled by the Parking Aid Switch. The Parking Aid Module (PAM) sends a signal to the LED when the switch is pressed. The Diagnostic Trouble Code (DTC) C1920 sets when the PAM senses an open or short to ground.

OBDII Code C1920 Lincoln - Parking Aid System LED Circuit Failure - AutoCodes.com — C1920 Lincoln Code - Parking Aid System LED Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1920 Lincoln?

Faulty Parking Aid Switch
Parking Aid Switch harness is open or shorted
Parking Aid Switch circuit poor electrical connection
Faulty Parking Aid Module (PAM)

How to Fix the DTC C1920 Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1920 Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1920 Lincoln code?

Need more information on how to fix the C1920 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1920 Lincoln code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1920 Lincoln Code

1. What are the common symptoms of an OBDII code C1920 Lincoln related to Parking Aid System LED Circuit Failure?

The common symptoms include the parking aid system LED not illuminating or functioning properly, indicating a circuit failure.

2. What are the possible causes of the OBDII code C1920 Lincoln?

Possible causes of the code C1920 include damaged wiring, a faulty LED module, a defective parking aid sensor, or a malfunctioning control module.

3. How can I diagnose the issue related to the Parking Aid System LED Circuit Failure code?

Diagnosing the problem involves checking the wiring connections, testing the LED module, inspecting the parking aid sensors, and scanning the control module for any fault codes.

4. Can I still use my parking aid system if I have the C1920 code?

If the parking aid system LED is not functioning due to the circuit failure, the system may not provide accurate feedback, making parking assistance less reliable. It is recommended to address the issue promptly.

5. What are some repair tips for resolving the Parking Aid System LED Circuit Failure code?

Repair tips may include repairing or replacing damaged wiring, replacing the faulty LED module, testing and replacing defective parking aid sensors, or reprogramming the control module as necessary.

6. Is it possible to reset the OBDII code C1920 without addressing the underlying issue?

Resetting the code may temporarily clear the warning light, but if the root cause of the circuit failure is not fixed, the code is likely to reappear after driving cycles.

7. How important is it to address the OBDII code C1920 Lincoln promptly?

Addressing the code promptly is crucial to ensure the proper functioning of the parking aid system and maintain safety while parking, especially in situations where assistance is needed.

8. Can I fix the Parking Aid System LED Circuit Failure issue myself, or do I need a professional mechanic?

Depending on your automotive repair skills and access to tools, you may be able to address the issue yourself by following repair guides and using diagnostic equipment. However, seeking help from a professional mechanic is advisable if you are unsure.

9. Are there any preventive measures to avoid encountering the C1920 code in the future?

Regularly inspecting the parking aid system, checking for any signs of wiring damage or sensor issues, and promptly addressing any anomalies can help prevent the occurrence of the Parking Aid System LED Circuit Failure code.

10. How can I find the specific location of the LED module and parking aid sensors in my Lincoln vehicle?

Consulting the vehicle's service manual or seeking guidance from online resources specific to your Lincoln model can help you locate the LED module and parking aid sensors for inspection and potential repair.