AutoCodes – Generic – C1768

C1768 Code - Position Sensor Supply Fault

Quick Answer

The Suspension Control Module monitors the Position Sensor. Common causes include Faulty Position Sensor, Position Sensor harness is open or shorted, Position Sensor 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: C1768 indicates Position Sensor Supply Fault.
Common causes: Common causes include Faulty Position Sensor, Position Sensor harness is open or shorted, Position Sensor 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 4,811

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 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1768 Description

The Suspension Control Module monitors the Position Sensor. The Suspension Control Module sets the OBDII code when the Position Sensor is not to factory specifications.

OBDII Code C1768 - Position Sensor Supply Fault - AutoCodes.com — C1768 Code - Position Sensor Supply Fault

What does this mean?

What are the Possible Causes of the DTC C1768?

Faulty Position Sensor
Position Sensor harness is open or shorted
Position Sensor circuit poor electrical connection

How to Fix the DTC C1768?

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 C1768 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 C1768 code?

Need more information on how to fix the C1768 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1768 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1768 Buick — Position Sensor Supply Fault
C1768 Cadillac — Position Sensor Supply Fault
C1768 Chevrolet — Position Sensor Supply Fault
C1768 GMC — Position Sensor Supply Fault

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 C1768 Code

1. What are the common symptoms of OBDII code C1768 (Position Sensor Supply Fault)?

The common symptoms of OBDII code C1768 include issues with the vehicle's suspension system, such as uneven ride height, difficulty controlling the vehicle, and warning lights on the dashboard.

2. What are the potential causes of OBDII code C1768?

The potential causes of OBDII code C1768 often include a faulty position sensor, wiring issues, or a problem with the sensor's power supply.

3. How can I diagnose OBDII code C1768?

Diagnosing OBDII code C1768 typically involves using a scan tool to read the code, checking the wiring and connectors related to the position sensor, and performing a visual inspection for any obvious signs of damage.

4. Can I still drive my vehicle with OBDII code C1768?

It is not recommended to drive your vehicle with OBDII code C1768, as it can affect the performance and safety of the vehicle. It is best to address the issue promptly.

5. How do I repair OBDII code C1768?

Repairing OBDII code C1768 may involve replacing the faulty position sensor, repairing any damaged wiring or connectors, and ensuring that the sensor's power supply is functioning properly.

6. Is it possible to reset OBDII code C1768 without fixing the underlying issue?

While you may be able to clear the code temporarily, it is essential to address the underlying issue causing OBDII code C1768 to prevent further problems with your vehicle's suspension system.

7. Can a DIY enthusiast repair OBDII code C1768 at home?

Depending on your skill level and access to tools, you may be able to repair OBDII code C1768 at home by following the manufacturer's repair instructions and using the necessary components.

8. How much does it cost to fix OBDII code C1768 at a repair shop?

The cost of fixing OBDII code C1768 at a repair shop can vary depending on the extent of the issue, the labor rates, and the cost of parts. It is advisable to obtain multiple quotes from different shops.

9. Will OBDII code C1768 cause my vehicle to fail an emissions test?

OBDII code C1768 may cause your vehicle to fail an emissions test, as it can indicate a problem with the vehicle's emission control system. It is essential to address the issue before undergoing an emissions test.

10. How can I prevent OBDII code C1768 from occurring in the future?

Regularly inspecting and maintaining your vehicle's suspension system, including the position sensor and its components, can help prevent OBDII code C1768 from occurring in the future.