Engine-Codes.com
Engine-Codes – Mitsubishi – P1879 Mitsubishi

P1879 Mitsubishi Code - Gear Block 4th

Quick Answer

The P1879 diagnostic trouble code for Mitsubishi vehicles specifically refers to an issue with the 4th gear block. Common causes include Low transmission fluid level or dirty transmission fluid, Faulty transmission solenoid or valve body, Worn or damaged transmission gears. 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
P1879 Mitsubishi indicates Gear Block 4th.
Common causes
Common causes include Low transmission fluid level or dirty transmission fluid, Faulty transmission solenoid or valve body, Worn or damaged transmission gears.
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.
What is this?
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 P1879 Mitsubishi Description

The P1879 diagnostic trouble code for Mitsubishi vehicles specifically refers to an issue with the 4th gear block. This code typically indicates a problem with the transmission system, specifically the gear that corresponds to the fourth gear position. The gear block 4th code can affect the vehicle's performance by causing issues with shifting, acceleration, and overall driving dynamics. If left unaddressed, this problem can result in further damage to the transmission system, leading to more significant and costly repairs down the line.

OBDII Code P1879 Mitsubishi - Gear Block 4th
P1879 Mitsubishi Code - Gear Block 4th

Common Causes of P1879 Mitsubishi

  1. Low transmission fluid level or dirty transmission fluid
  2. Faulty transmission solenoid or valve body
  3. Worn or damaged transmission gears
  4. Electrical issues such as a faulty transmission control module
  5. Mechanical damage to the transmission system

Symptoms of P1879 Mitsubishi

  1. Rough or jerky shifting between gears
  2. Slipping or hesitation during acceleration
  3. Delayed engagement when shifting into 4th gear
  4. Illumination of the check engine light
  5. Reduced fuel efficiency

How to Fix P1879 Mitsubishi

  1. Begin by checking the transmission fluid level and condition. Top off or replace the fluid if necessary.
  2. Inspect the transmission solenoid and valve body for any signs of damage or malfunction. Replace if needed.
  3. Perform a thorough inspection of the transmission gears for wear or damage. Replace any worn components.
  4. Check the electrical connections and wiring related to the transmission control module. Repair or replace as needed.
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1879 Mitsubishi

The cost of repairing a gear block 4th issue can vary depending on the specific cause of the problem and the extent of the damage. On average, the repair costs for a transmission-related issue like this can range from $500 to $1500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary widely, so it's recommended to get a few quotes from reputable mechanics in your area to get a more accurate estimate. Additionally, the cost may be higher if any major components need to be replaced or if the transmission requires a complete overhaul.

Need more information about the P1879 Mitsubishi code?

Need more information on how to fix the P1879 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1879 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 P1879 Mitsubishi Code

1. What are the common symptoms of OBDII code P1879 in a Mitsubishi related to Gear Block 4th?

- Common symptoms include harsh shifting, transmission slippage, inability to shift into 4th gear, and illuminated check engine light.

2. What are the potential causes of OBDII code P1879 in a Mitsubishi?

- Potential causes may include a faulty transmission control module (TCM), issues with the solenoid valves, low transmission fluid levels, or mechanical problems within the transmission.

3. How can I diagnose the OBDII code P1879 in a Mitsubishi related to Gear Block 4th?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the transmission fluid level and condition, inspecting the wiring and connectors related to the transmission, and performing a thorough visual inspection.

4. Can I continue driving my Mitsubishi with OBDII code P1879 related to Gear Block 4th?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission. It's best to address the issue promptly.

5. Is it safe to attempt repairing OBDII code P1879 in a Mitsubishi at home?

- While some DIY enthusiasts may attempt to address the issue at home, it is recommended to seek professional help, especially when dealing with transmission-related problems to ensure proper diagnosis and repair.

6. What are some repair tips for resolving OBDII code P1879 in a Mitsubishi?

- Repair tips may include checking and replacing the transmission fluid, testing and replacing solenoid valves if faulty, inspecting and repairing wiring issues, or resetting the TCM.

7. How much does it typically cost to repair OBDII code P1879 in a Mitsubishi?

- The cost of repairing this code can vary depending on the exact cause of the issue. It may range from a few hundred dollars for minor repairs to over a thousand dollars for more extensive transmission repairs.

8. Can resetting the OBDII code P1879 in a Mitsubishi fix the issue temporarily?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear, indicating a persistent problem that needs attention.

9. Will driving with OBDII code P1879 in a Mitsubishi cause further damage?

- Continuing to drive with this code can potentially cause further damage to the transmission components, leading to more costly repairs in the long run.

10. How long does it typically take to repair OBDII code P1879 related to Gear Block 4th in a Mitsubishi?

- The repair time can vary depending on the exact cause of the issue and the extent of the repairs needed. It may take a few hours to a full day for diagnosis and repair.

Discuss the causes and fixes for P1879 Mitsubishi OBDII Code

Submit a New Comment

Code P1879 Mitsubishi comments

No comments found for this page.