AutoCodesAcura – P1870 Acura

P1870 Acura Code - Transmission Component Slipping

Quick Answer

P1870 Acura indicates Transmission Component Slipping. Common causes include Check transmission fluid level, Internal transmission fault. 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 Acura indicates Transmission Component Slipping.
Common causes
Common causes include Check transmission fluid level, Internal transmission fault.
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 1,963
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 24, 2019
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Code P1870 Acura Description

OBDII Code P1870 Acura - Transmission Component Slipping - AutoCodes.com
P1870 Acura Code - Transmission Component Slipping

What are the Possible Causes of the DTC P1870 Acura?

  • Check transmission fluid level
  • Internal transmission fault

How to Fix the DTC P1870 Acura?

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 Acura 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.

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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 Acura Code

1. What does OBDII code P1870 mean for an Acura?

P1870 indicates a "Transmission Component Slipping," which means the transmission is not operating efficiently, often due to internal wear or malfunction.

2. What are common symptoms of code P1870 in an Acura?

Symptoms include harsh shifting, slipping gears, reduced fuel efficiency, erratic RPMs, or the transmission going into "limp mode."

3. What causes code P1870 in an Acura?

Common causes include worn clutch plates, damaged torque converter, low transmission fluid, or a faulty valve body.

4. Can low transmission fluid trigger code P1870?

Yes, insufficient or degraded transmission fluid can lead to slipping components and trigger the P1870 code.

5. How serious is the P1870 code for an Acura?

It's serious and should be addressed promptly, as prolonged driving with slipping components can cause further damage to the transmission.

6. How can I fix code P1870 on my Acura?

Repairs may involve replacing worn internal transmission components, rebuilding the valve body, or flushing and refilling the transmission fluid.

7. Can a bad torque converter cause code P1870?

Yes, a faulty torque converter can lead to slipping and trigger the P1870 code.

8. How do mechanics diagnose P1870 on an Acura?

Mechanics use a scan tool to confirm the code, inspect the transmission fluid, and may conduct a pressure test or internal transmission inspection.

9. Is it safe to keep driving an Acura with code P1870?

Driving with this code can lead to further damage; it’s recommended to address the issue as soon as possible.

10. Can code P1870 be caused by electrical issues in an Acura?

Yes, electrical problems affecting the transmission control module or solenoids may contribute to slipping and trigger the P1870 code.

Discuss the causes and fixes for P1870 Acura OBDII Code

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