C1807 Code - Air Suspension Vehicle Height Sensor Voltage
Quick Answer
The C1807 diagnostic trouble code (DTC) refers to a fault in the Air Suspension Vehicle Height Sensor Voltage system. Common causes include Faulty height sensor: The sensor responsible for measuring the vehicle's ride height may be malfunctioning, Wiring or connector issues: Damage to the wiring or connectors connecting the height sensor to the suspension control module can cause voltage fluctuations, Suspension control module failure: A malfunctioning suspension control module can lead to erroneous voltage readings from the height sensor. 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
- C1807 indicates Air Suspension Vehicle Height Sensor Voltage.
- Common causes
- Common causes include Faulty height sensor: The sensor responsible for measuring the vehicle's ride height may be malfunctioning, Wiring or connector issues: Damage to the wiring or connectors connecting the height sensor to the suspension control module can cause voltage fluctuations, Suspension control module failure: A malfunctioning suspension control module can lead to erroneous voltage readings from the height sensor.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C1807 Description
The C1807 diagnostic trouble code (DTC) refers to a fault in the Air Suspension Vehicle Height Sensor Voltage system. This code is specific to vehicles equipped with air suspension systems, which use sensors to monitor the vehicle's ride height and adjust the suspension accordingly. The height sensor voltage is crucial for the proper functioning of the air suspension system, as it helps to determine the vehicle's current position and adjust the suspension to maintain a comfortable ride quality.
Common Causes of C1807
- Faulty height sensor: The sensor responsible for measuring the vehicle's ride height may be malfunctioning.
- Wiring or connector issues: Damage to the wiring or connectors connecting the height sensor to the suspension control module can cause voltage fluctuations.
- Suspension control module failure: A malfunctioning suspension control module can lead to erroneous voltage readings from the height sensor.
- Power supply problems: Issues with the vehicle's power supply, such as a weak battery or faulty alternator, can affect the sensor's voltage readings.
Symptoms of C1807
- Uneven ride height: The vehicle may sit lower on one side or corner, indicating a problem with the air suspension system.
- Rough ride quality: The suspension may feel stiff or bouncy, affecting the overall comfort of the ride.
- Suspension warning light: The vehicle's dashboard may display a warning light related to the air suspension system.
- Handling issues: The vehicle may exhibit poor handling characteristics, such as excessive body roll or instability during turns.
How to Fix C1807
- Diagnose the issue: Use a diagnostic scanner to retrieve the specific DTC and perform a thorough inspection of the height sensor, wiring, connectors, and suspension control module.
- Replace the faulty height sensor: If the height sensor is determined to be the cause of the issue, replace it with a new unit following the manufacturer's guidelines.
- Repair damaged wiring or connectors: If wiring or connectors are damaged, repair or replace them as needed to ensure a secure connection.
- Test and recalibrate the system: After making the necessary repairs, test the air suspension system and recalibrate the height sensor to ensure proper functionality.
- Clear the DTC: Use the diagnostic scanner to clear the stored DTC and reset the vehicle's onboard computer to check for any reoccurrence of the issue.
Cost to Fix C1807
The typical repair costs for addressing the C1807 code can vary depending on the specific cause of the issue and the vehicle's make and model. On average, repairing the air suspension vehicle height sensor voltage issue can range from $200 to $500, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle type, and the extent of the repair needed can also impact the final cost. It's recommended to consult with a trusted mechanic or auto repair shop to get a more accurate cost estimate tailored to your specific situation.
Need more information about the C1807 code?
Need more information on how to fix the C1807 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1807 code diagnosed by a professional: Find a repair shop in your area
Code C1807 Information for Specific Makes
- C1807 Infiniti — Air Suspension Vehicle Height Sensor Voltage
- C1807 Nissan — Air Suspension Vehicle Height Sensor Voltage
Frequently Asked Questions about C1807 Code
1. What are the common symptoms of OBDII code C1807 (Air Suspension Vehicle Height Sensor Voltage)?
- Common symptoms include uneven vehicle height, abnormal suspension behavior, and illuminated warning lights on the dashboard.
2. What are the possible causes of OBDII code C1807?
- The code C1807 may be triggered by a faulty vehicle height sensor, damaged wiring or connectors, or issues with the air suspension system.
3. How can I diagnose the cause of OBDII code C1807?
- To diagnose the issue, you can perform a visual inspection of the height sensor and its connections, check for damaged wiring, and use a diagnostic scan tool to read live data from the sensor.
4. Can I drive my vehicle with OBDII code C1807?
- It is not recommended to drive your vehicle with OBDII code C1807 as it can affect the performance and safety of the air suspension system.
5. How can I repair OBDII code C1807?
- Repairing OBDII code C1807 may involve replacing the faulty height sensor, repairing damaged wiring, or addressing any issues with the air suspension system.
6. Are there any DIY repair tips for OBDII code C1807?
- DIY repair tips include checking and cleaning sensor connections, ensuring proper sensor alignment, and following manufacturer guidelines for sensor replacement.
7. Can weather conditions affect OBDII code C1807?
- Extreme weather conditions such as heavy rain or snow can potentially damage the height sensor or its connections, leading to the triggering of code C1807.
8. How long does it typically take to repair OBDII code C1807?
- The repair time for OBDII code C1807 can vary depending on the exact cause of the issue, but it may take a few hours to a full day for diagnosis and repair.
9. Is it necessary to reset the OBDII system after repairing code C1807?
- Yes, it is recommended to clear the OBDII system memory using a diagnostic scan tool after repairing code C1807 to ensure the issue has been resolved.
10. What should I do if OBDII code C1807 keeps reoccurring after repair?
- If OBDII code C1807 continues to reoccur after repair, it is advisable to seek professional help from a certified mechanic or dealership to diagnose the underlying issue.
Discuss the causes and fixes for C1807 OBDII Code
Code C1807 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.