AutoCodesGMC – C0625 2016 GMC Sierra

C0625 2016 GMC Sierra Code - Left Rear Position Sensor Circuit

Quick Answer

The Suspension Control Module supplies a 5 V reference signal to each Suspension Position Sensor. Common causes include Faulty Left Rear Position Sensor, Left Rear Position Sensor harness is open or shorted, Left Rear 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
C0625 2016 GMC Sierra indicates Left Rear Position Sensor Circuit.
Common causes
Common causes include Faulty Left Rear Position Sensor, Left Rear Position Sensor harness is open or shorted, Left Rear 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 207
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 16, 2023
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Code C0625 2016 GMC Sierra Description

The Suspension Control Module supplies a 5 V reference signal to each Suspension Position Sensor. The Suspension Position Sensors supply a signal of 0.35–4.75 V to the Suspension Control Module which represents the position between the body and the wheel. The sensors are also grounded through the Suspension Control Module. The Diagnostic Trouble Code (DTC) will be set when the Suspension Control Module measures a Suspension Position Sensor signal less than 0.35 V or greater than 4.75 V for more than 5 s while the vehicle is operated under normal driving conditions.
OBDII Code C0625 2016 GMC Sierra - Left Rear Position Sensor Circuit - AutoCodes.com
C0625 2016 GMC Sierra Code - Left Rear Position Sensor Circuit

What are the Possible Causes of the DTC C0625 2016 GMC Sierra?

  • Faulty Left Rear Position Sensor
  • Left Rear Position Sensor harness is open or shorted
  • Left Rear Position Sensor circuit poor electrical connection
  • Faulty Suspension Control Module

How to Fix the DTC C0625 2016 GMC Sierra?

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 C0625 2016 GMC Sierra 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 C0625 2016 GMC Sierra code?

Need more information on how to fix the C0625 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C0625 2016 GMC Sierra Code

1. What does the OBDII code C0625 mean on a 2016 GMC Sierra?

C0625 indicates a problem with the left rear position sensor circuit, which monitors the position of the suspension components.

2. What are the common symptoms of code C0625 in a 2016 GMC Sierra?

Symptoms may include suspension warning lights, inaccurate ride height adjustments, or a noticeable change in vehicle handling.

3. What causes the C0625 code to appear on a 2016 GMC Sierra?

Common causes include a faulty position sensor, damaged wiring or connectors in the circuit, or corrosion in the sensor area.

4. Can a bad left rear position sensor trigger the C0625 code?

Yes, a malfunctioning left rear position sensor is a primary cause of this code.

5. How can I diagnose the C0625 code on my 2016 GMC Sierra?

Use a scan tool to confirm the code and visually inspect the sensor, wiring, and connectors for damage or corrosion.

6. Is the C0625 code related to the suspension system?

Yes, this code directly pertains to the suspension system's position monitoring and ride height functionality.

7. Can driving with the C0625 code damage my 2016 GMC Sierra?

While it may not cause immediate damage, ignoring the issue can lead to poor handling and uneven suspension performance over time.

8. How do I fix the C0625 code on a 2016 GMC Sierra?

Repairs may involve replacing the left rear position sensor, repairing or replacing damaged wiring, or cleaning corroded connectors.

9. What tools are needed to fix the C0625 code on a 2016 GMC Sierra?

You’ll need a scan tool, multimeter, and basic automotive tools to test and replace components in the sensor circuit.

10. Can a dealership fix the C0625 code on my 2016 GMC Sierra?

Yes, a dealership can diagnose and repair this issue, but you may also choose to fix it yourself if you’re familiar with automotive repairs.

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