Engine-CodesMitsubishi – P187B Mitsubishi

P187B Mitsubishi Code - Gear Block 6th

Quick Answer

The P187B diagnostic trouble code for Mitsubishi vehicles specifically refers to a Gear Block 6th issue. Common causes include Low transmission fluid level or poor quality fluid, Faulty transmission solenoid related to 6th gear operation, Worn-out clutch packs in the transmission. 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
P187B Mitsubishi indicates Gear Block 6th.
Common causes
Common causes include Low transmission fluid level or poor quality fluid, Faulty transmission solenoid related to 6th gear operation, Worn-out clutch packs in the transmission.
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 13, 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 P187B Mitsubishi Description

The P187B diagnostic trouble code for Mitsubishi vehicles specifically refers to a Gear Block 6th issue. This code indicates a problem with the 6th gear in the transmission system. The transmission control module (TCM) has detected a fault in the operation of the 6th gear, which can lead to various performance issues in the vehicle.

OBDII Code P187B Mitsubishi - Gear Block 6th
P187B Mitsubishi Code - Gear Block 6th

Common Causes of P187B Mitsubishi

  1. Low transmission fluid level or poor quality fluid
  2. Faulty transmission solenoid related to 6th gear operation
  3. Worn-out clutch packs in the transmission
  4. Electrical issues in the transmission control module
  5. Mechanical damage to the 6th gear components

Symptoms of P187B Mitsubishi

  1. Harsh shifting between gears
  2. Slipping or jerking sensation during acceleration
  3. Delayed engagement when shifting into 6th gear
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P187B Mitsubishi

  1. Begin by conducting a thorough diagnostic scan to confirm the P187B code and identify the specific issue with the 6th gear.
  2. Inspect the transmission fluid level and quality, topping up or replacing as necessary.
  3. Test and potentially replace the transmission solenoid responsible for 6th gear operation.
  4. Inspect and replace worn-out clutch packs if needed.
  5. Check for any electrical or mechanical damage in the transmission system and repair as necessary.

Cost to Fix P187B Mitsubishi

The typical repair costs for addressing a P187B Gear Block 6th issue in a Mitsubishi vehicle can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the repair costs for this type of transmission issue can range from $500 to $1500, including parts and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It is advisable to contact local auto repair shops for a more accurate estimate based on your specific circumstances.

Need more information about the P187B Mitsubishi code?

Need more information on how to fix the P187B Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P187B Mitsubishi 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 P187B Mitsubishi Code

1. What are the common symptoms of OBDII code P187B in a Mitsubishi related to Gear Block 6th?

- Common symptoms include harsh shifting, delayed engagement into gear, and the transmission may be stuck in a specific gear.

2. What are the possible causes of OBDII code P187B in a Mitsubishi related to Gear Block 6th?

- The code P187B can be triggered by issues such as a faulty transmission control module (TCM), low transmission fluid level, or a malfunctioning shift solenoid.

3. How can I diagnose the OBDII code P187B in a Mitsubishi related to Gear Block 6th?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble code, checking the transmission fluid level and condition, and inspecting the wiring and connectors related to the transmission system.

4. Is it safe to continue driving with OBDII code P187B related to Gear Block 6th in a Mitsubishi?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially unsafe driving conditions.

5. How can I repair OBDII code P187B in a Mitsubishi related to Gear Block 6th?

- Repair options may include replacing the transmission control module (TCM), resolving any transmission fluid issues, or repairing/replacing faulty shift solenoids.

6. Can a DIY enthusiast fix OBDII code P187B related to Gear Block 6th in a Mitsubishi?

- While some aspects of the repair may be DIY-friendly, diagnosing and repairing transmission-related issues can be complex and may require specialized tools and expertise, so it's recommended to consult with a professional mechanic.

7. Are there any preventative maintenance tips to avoid OBDII code P187B related to Gear Block 6th in a Mitsubishi?

- Regularly checking and maintaining proper transmission fluid levels, addressing any leaks promptly, and following the manufacturer's recommended maintenance schedule can help prevent issues that lead to this trouble code.

8. Can a low battery voltage trigger OBDII code P187B in a Mitsubishi related to Gear Block 6th?

- Yes, low battery voltage can sometimes cause communication issues with the TCM, leading to the triggering of this trouble code. Ensuring the battery is in good condition is important for the proper functioning of the vehicle's electronics.

9. How long does it typically take to repair OBDII code P187B related to Gear Block 6th in a Mitsubishi?

- The repair time can vary depending on the specific cause of the code, but it may take a few hours to a full day for diagnosis and repair by a qualified technician.

10. Will resetting the trouble codes make OBDII code P187B related to Gear Block 6th disappear permanently?

- Resetting the trouble codes may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear after some driving cycles. It's important to diagnose and fix the root cause of the problem.

Discuss the causes and fixes for P187B Mitsubishi OBDII Code

Code P187B Mitsubishi comments

No comments found for this page.