AutoCodes – Mitsubishi – P1879 Mitsubishi

P1879 Mitsubishi Code - Gear Block 4th

Quick Answer

The Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors if the gear engagement is normal. Common causes include Malfunction of Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU), Insufficient fluid level, Malfunction of TC-SST gear. 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 Malfunction of Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU), Insufficient fluid level, Malfunction of TC-SST gear.
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 4,625

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 Feb 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1879 Mitsubishi Description

The Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU) monitors if the gear engagement is normal. The TC-SST-ECU set the OBDII code when it determined that the engagement of the 4th gear to be impossible.

OBDII Code P1879 Mitsubishi - Gear Block 4th - AutoCodes.com — P1879 Mitsubishi Code - Gear Block 4th

What does this mean?

What are the Possible Causes of the DTC P1879 Mitsubishi?

Malfunction of Twin Clutch Sportronic Shift Transmission (TC-SST) Electronic Control Unit (ECU)
Insufficient fluid level
Malfunction of TC-SST gear
Malfunction of clutch assembly

How to Fix the DTC P1879 Mitsubishi?

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 P1879 Mitsubishi 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 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.