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Engine-Codes – Generic – C1628

C1628 Code - Vehicle Height Sensor Failure

Quick Answer

The C1628 diagnostic code indicates a failure in the vehicle's height sensor, which is a crucial component of the suspension system. Common causes include Sensor malfunction due to wear and tear, Electrical issues such as a damaged wiring harness, Corrosion or debris interfering with sensor operation. 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
C1628 indicates Vehicle Height Sensor Failure.
Common causes
Common causes include Sensor malfunction due to wear and tear, Electrical issues such as a damaged wiring harness, Corrosion or debris interfering with sensor operation.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code C1628 Description

The C1628 diagnostic code indicates a failure in the vehicle's height sensor, which is a crucial component of the suspension system. The height sensor is responsible for measuring the distance between the vehicle's body and the ground, allowing the suspension system to adjust accordingly. When this sensor fails, it can lead to issues with the vehicle's ride quality, handling, and overall performance. It can also affect other systems that rely on suspension data, such as the traction control system or adaptive headlights.

OBDII Code C1628 - Vehicle Height Sensor Failure
C1628 Code - Vehicle Height Sensor Failure

Common Causes of C1628

  1. Sensor malfunction due to wear and tear
  2. Electrical issues such as a damaged wiring harness
  3. Corrosion or debris interfering with sensor operation
  4. Impact damage from road debris or accidents
  5. Faulty calibration or programming

Symptoms of C1628

  1. Uneven ride height
  2. Suspension feels stiff or bouncy
  3. Warning lights illuminated on the dashboard
  4. Difficulty steering or handling
  5. Abnormal noises coming from the suspension system

How to Fix C1628

  1. Diagnose the issue with a professional scan tool to confirm the sensor failure.
  2. Inspect the sensor and wiring for any visible damage or corrosion.
  3. Replace the faulty height sensor with a new part.
  4. Calibrate the new sensor to ensure proper functionality.
  5. Test drive the vehicle to verify that the issue has been resolved.

Cost to Fix C1628

The cost of repairing a vehicle height sensor failure can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. On average, the cost of parts for a new height sensor can range from $100 to $300, while labor costs can add another $100 to $200 to the total. This means that the total cost of the repair could be anywhere from $200 to $500. Additional costs may apply if other components need to be replaced or if further diagnostics are required. It's important to consult with a trusted mechanic to get an accurate estimate based on your specific vehicle and situation.

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Code C1628 Information for Specific Makes

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 C1628 Code

1. What are the common symptoms of OBDII code C1628 (Vehicle Height Sensor Failure)?

- Common symptoms include inaccurate ride height measurements, suspension issues, and warning lights illuminated on the dashboard.

2. What can cause the OBDII code C1628 to trigger for Vehicle Height Sensor Failure?

- The code can be triggered by a faulty height sensor, damaged wiring, or issues with the suspension control module.

3. How can I diagnose the Vehicle Height Sensor Failure related to OBDII code C1628?

- Diagnosis typically involves checking the height sensor's wiring, connections, and functionality using a diagnostic scanner.

4. Can I continue driving my vehicle with the OBDII code C1628 indicating Vehicle Height Sensor Failure?

- It is not recommended to drive the vehicle with this code present, as it can affect the suspension system's performance and safety.

5. How can I repair the Vehicle Height Sensor Failure related to OBDII code C1628?

- Repair options may include replacing the faulty height sensor, repairing damaged wiring, or resetting the suspension control module.

6. Is it possible to reset the OBDII code C1628 for Vehicle Height Sensor Failure without fixing the issue?

- Resetting the code without addressing the underlying problem may temporarily turn off the warning light but will not solve the root cause.

7. Are there any DIY tips for troubleshooting OBDII code C1628 for Vehicle Height Sensor Failure?

- DIY tips may include visually inspecting the height sensor and its connections, checking for any visible damage or loose wiring.

8. How much does it cost to repair the Vehicle Height Sensor Failure related to OBDII code C1628 at a professional auto repair shop?

- The cost of repair can vary depending on the extent of the issue and the specific components that need to be replaced, but it may range from $100 to $500.

9. Can extreme weather conditions affect the triggering of OBDII code C1628 for Vehicle Height Sensor Failure?

- Yes, extreme weather conditions like heavy rain or extreme cold can potentially damage the height sensor or its connections, leading to the code trigger.

10. Is it necessary to visit a dealership for repairing the Vehicle Height Sensor Failure related to OBDII code C1628?

- While a dealership may have specialized knowledge, an experienced independent mechanic can also effectively diagnose and repair the issue at a lower cost.

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