AutoCodes – Generic – C1870

C1870 Code - Air Suspension Gate Solenoid Output Circuit Open

Quick Answer

The Vehicle Dynamic Module (VDM) monitors the Air Suspension Gate Solenoid. Common causes include Faulty Air Suspension Gate Solenoid, Air Suspension Gate Solenoid harness is open or shorted, Air Suspension Gate Solenoid 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: C1870 indicates Air Suspension Gate Solenoid Output Circuit Open.
Common causes: Common causes include Faulty Air Suspension Gate Solenoid, Air Suspension Gate Solenoid harness is open or shorted, Air Suspension Gate Solenoid 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 5,201

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 Dec 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1870 Description

The Vehicle Dynamic Module (VDM) monitors the Air Suspension Gate Solenoid. The VDM sets the OBDII code when the Air Suspension Gate Solenoid is not to factory specifications.

OBDII Code C1870 - Air Suspension Gate Solenoid Output Circuit Open - AutoCodes.com — C1870 Code - Air Suspension Gate Solenoid Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC C1870?

Faulty Air Suspension Gate Solenoid
Air Suspension Gate Solenoid harness is open or shorted
Air Suspension Gate Solenoid circuit poor electrical connection
Faulty Vehicle Dynamic Module (VDM)

How to Fix the DTC C1870?

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 C1870 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 C1870 code?

Need more information on how to fix the C1870 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1870 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1870 Acura — Fuel And Emissions Related Malfunction
C1870 Ford — Air Suspension Gate Solenoid Output Circuit Open
C1870 Honda — Fuel And Emissions Related Malfunction
C1870 Lincoln — Air Suspension Gate Solenoid Output Circuit Open
C1870 Mercury — Air Suspension Gate Solenoid Output Circuit Open

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 C1870 Code

1. What are common symptoms of OBDII code C1870 - Air Suspension Gate Solenoid Output Circuit Open?

- Common symptoms include the air suspension system not functioning properly, a noticeable difference in ride quality, and the vehicle sitting lower than usual.

2. What causes OBDII code C1870 to trigger?

- This code is typically triggered when there is an open circuit in the air suspension gate solenoid output, which can be caused by damaged wiring, a faulty solenoid, or a poor connection.

3. How can I diagnose the issue related to OBDII code C1870?

- Diagnosing this issue usually involves visually inspecting the wiring and connections related to the air suspension gate solenoid, checking for any visible damage, and using a multimeter to test for continuity in the circuit.

4. What are some repair tips for fixing OBDII code C1870?

- Repair tips may include repairing or replacing damaged wiring, testing and replacing the air suspension gate solenoid if necessary, and ensuring all connections are secure and free of corrosion.

5. Can I still drive my vehicle with OBDII code C1870 present?

- It is not recommended to drive the vehicle with this code present, as it can affect the performance and safety of the air suspension system, leading to potential further damage if left unresolved.

6. How much does it typically cost to repair OBDII code C1870?

- The cost of repairing this code can vary depending on the extent of the issue, but it may involve replacing a solenoid, repairing wiring, or addressing other related components. Costs can range from a few hundred to over a thousand dollars.

7. Is it possible to reset OBDII code C1870 without fixing the underlying issue?

- While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the root cause, as the issue will likely persist and may lead to further problems down the line.

8. How can I prevent OBDII code C1870 from occurring in the future?

- Regularly inspecting the air suspension system, ensuring proper maintenance, and addressing any issues promptly can help prevent this code from occurring in the future.

9. Can weather conditions impact OBDII code C1870?

- Extreme weather conditions, particularly those that may cause damage to wiring or connections, can potentially impact the occurrence of this code. It's important to keep the air suspension system well-protected.

10. Is OBDII code C1870 specific to certain vehicle makes and models?

- While this code is related to the air suspension system, it can occur in various vehicle makes and models equipped with OBDII systems and air suspension components.