Engine-CodesHonda – C1871 Honda

C1871 Honda Code - Automatic Transmission Related Malfunction

Quick Answer

The C1871 diagnostic trouble code for Honda vehicles indicates an automatic transmission related malfunction. Common causes include Faulty transmission solenoids, Sensor malfunction, Low transmission fluid levels. 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
C1871 Honda indicates Automatic Transmission Related Malfunction.
Common causes
Common causes include Faulty transmission solenoids, Sensor malfunction, Low transmission fluid levels.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code C1871 Honda Description

The C1871 diagnostic trouble code for Honda vehicles indicates an automatic transmission related malfunction. This means that there is a problem within the automatic transmission system that is affecting the vehicle's performance. The automatic transmission is responsible for shifting gears automatically, allowing the vehicle to operate smoothly without the need for manual gear changes. When this system malfunctions, it can lead to issues such as harsh shifting, slipping gears, or even complete transmission failure.

OBDII Code C1871 Honda - Automatic Transmission Related Malfunction
C1871 Honda Code - Automatic Transmission Related Malfunction

Common Causes of C1871 Honda

  1. Faulty transmission solenoids
  2. Sensor malfunction
  3. Low transmission fluid levels
  4. Internal transmission damage
  5. Electrical issues within the transmission system

Symptoms of C1871 Honda

  1. Harsh shifting between gears
  2. Slipping gears
  3. Delayed or erratic shifting
  4. Transmission overheating
  5. Illumination of the Check Engine Light

How to Fix C1871 Honda

  1. Perform a diagnostic scan to retrieve the specific trouble code(s) and identify the underlying cause of the issue.
  2. Inspect the transmission fluid level and condition. If low, top up the fluid to the correct level and check for any leaks.
  3. Test and potentially replace faulty transmission solenoids or sensors.
  4. Inspect the wiring and electrical connections within the transmission system for any damage or corrosion.
  5. If necessary, repair or replace any damaged internal components within the transmission.

Cost to Fix C1871 Honda

The cost of repairing a C1871 code related to the automatic transmission malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs can range from $200 to $1000, including parts and labor. However, it is essential to note that the diagnosis time and labor rates at auto repair shops can vary significantly. It is recommended to contact local auto repair shops for a more accurate estimate based on your vehicle make and model, location, and engine type.

Need more information about the C1871 Honda code?

Need more information on how to fix the C1871 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1871 Honda code diagnosed by a professional: Find a repair shop in your area

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 C1871 Honda Code

1. What are the common symptoms of OBDII code C1871 in a Honda related to automatic transmission malfunction?

- Common symptoms include harsh shifting, delayed gear engagement, transmission slipping, and the transmission going into failsafe mode.

2. What are the potential causes of OBDII code C1871 in a Honda indicating an automatic transmission related malfunction?

- The code may be triggered by issues such as low transmission fluid, a faulty transmission solenoid, a damaged transmission sensor, or internal transmission problems.

3. How can I diagnose the OBDII code C1871 in my Honda to pinpoint the automatic transmission issue?

- Diagnose the code by checking the transmission fluid level and quality, inspecting the transmission solenoids and sensors, and conducting a thorough scan and analysis with a professional OBDII scanner.

4. What are some repair tips for addressing OBDII code C1871 in a Honda related to automatic transmission malfunction?

- Repair tips include performing a transmission fluid flush and filter replacement, replacing faulty solenoids or sensors, addressing any internal transmission issues, and resetting the code after repairs.

5. Can I continue driving my Honda with OBDII code C1871 related to automatic transmission malfunction?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially result in a complete transmission failure.

6. How much does it cost to repair OBDII code C1871 in a Honda due to automatic transmission issues?

- The cost of repairs can vary depending on the specific issue causing the code, but it may range from a few hundred dollars for minor repairs to over a thousand dollars for more extensive transmission repairs.

7. Are there any preventive maintenance steps I can take to avoid OBDII code C1871 related to automatic transmission malfunction in my Honda?

- Regularly checking and maintaining the transmission fluid level and quality, following the manufacturer's recommended service intervals, and addressing any transmission issues promptly can help prevent this code from appearing.

8. Can a DIY enthusiast repair OBDII code C1871 in a Honda related to automatic transmission problems?

- While some basic checks and maintenance tasks can be performed by a DIY enthusiast, diagnosing and repairing complex transmission issues should be left to professionals with the necessary tools and expertise.

9. Will resetting the OBDII code C1871 clear the automatic transmission issue in my Honda?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying transmission problem causing the code. It is essential to diagnose and address the root cause of the issue.

10. How long does it typically take to repair OBDII code C1871 in a Honda related to automatic transmission malfunction?

- The repair time can vary depending on the specific issue causing the code, but it may take anywhere from a few hours to a full day for professional technicians to diagnose and fix the automatic transmission problem.

Discuss the causes and fixes for C1871 Honda OBDII Code

Code C1871 Honda comments

No comments found for this page.