AutoCodes – Honda – P1870 2000 Honda Civic

P1870 2000 Honda Civic Code - Problem in CVT Speed Change Control Valve Assembly Circuit

Quick Answer

P1870 2000 Honda Civic indicates Problem in CVT Speed Change Control Valve Assembly Circuit. Common causes include Faulty CVT Speed Change Control Valve, CVT Speed Change Control Valve harness is open or shorted, CVT Speed Change Control Valve 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: P1870 2000 Honda Civic indicates Problem in CVT Speed Change Control Valve Assembly Circuit.
Common causes: Common causes include Faulty CVT Speed Change Control Valve, CVT Speed Change Control Valve harness is open or shorted, CVT Speed Change Control Valve 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 3,637

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 Sep 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1870 2000 Honda Civic Description

OBDII Code P1870 2000 Honda Civic - Problem in CVT Speed Change Control Valve Assembly Circuit - AutoCodes.com — P1870 2000 Honda Civic Code - Problem in CVT Speed Change Control Valve Assembly Circuit

What does this mean?

What are the Possible Causes of the DTC P1870 2000 Honda Civic?

Faulty CVT Speed Change Control Valve
CVT Speed Change Control Valve harness is open or shorted
CVT Speed Change Control Valve circuit poor electrical connection

How to Fix the DTC P1870 2000 Honda Civic?

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 P1870 2000 Honda Civic 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 P1870 2000 Honda Civic code?

Need more information on how to fix the P1870 2000 Honda Civic 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 P1870 2000 Honda Civic Code

1. What are the common symptoms of an OBDII code P1870 in a 2000 Honda Civic with a CVT?

- Common symptoms include erratic shifting, harsh shifting, transmission slipping, and reduced fuel efficiency.

2. What causes the OBDII code P1870 in a 2000 Honda Civic CVT?

- The code P1870 is typically caused by issues with the CVT speed change control valve assembly circuit, such as wiring problems or a faulty control valve.

3. How serious is the OBDII code P1870 in a 2000 Honda Civic CVT?

- The code P1870 can lead to poor transmission performance and potential long-term damage if left unresolved, so it is important to address the issue promptly.

4. Can I still drive my 2000 Honda Civic with a P1870 code?

- It is not recommended to continue driving with a P1870 code as it can cause further damage to the transmission. It's best to have the vehicle inspected and repaired as soon as possible.

5. How can I diagnose the OBDII code P1870 in my 2000 Honda Civic CVT?

- Proper diagnosis typically involves using a scan tool to read the code, inspecting the CVT speed change control valve assembly circuit, and testing the control valve for functionality.

6. Is it possible to repair the OBDII code P1870 in a 2000 Honda Civic CVT on my own?

- Repairing the P1870 code may require specialized tools and expertise, so it is recommended to seek assistance from a qualified mechanic or dealership.

7. Are there any tips for preventing the OBDII code P1870 from occurring in the future?

- Regular maintenance of the CVT system, including fluid changes and inspections, can help prevent issues that may trigger the P1870 code.

8. How much does it typically cost to repair the OBDII code P1870 in a 2000 Honda Civic CVT?

- The cost of repairing the P1870 code can vary depending on the extent of the issue and the labor rates in your area. It is best to get a diagnostic and estimate from a professional.

9. Can the OBDII code P1870 in a 2000 Honda Civic CVT be reset without fixing the underlying issue?

- While you can clear the code with a scan tool, it is not recommended to do so without addressing the root cause, as the problem may persist and potentially worsen over time.

10. Will fixing the OBDII code P1870 in my 2000 Honda Civic CVT improve the overall performance of the vehicle?

- Yes, resolving the P1870 code should lead to smoother transmission operation, improved shifting, and better fuel efficiency in your 2000 Honda Civic with a CVT.