AutoCodes – Suzuki – P1779 Suzuki

P1779 Suzuki Code - Transmission Control Indicator Lamp Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) monitors the Transmission Control Indicator Lamp. Common causes include Faulty Transmission Control Indicator Lamp, Transmission Control Indicator Lamp harness is open or shorted, Transmission Control Indicator Lamp circuit poor electrical connection. 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
P1779 Suzuki indicates Transmission Control Indicator Lamp Circuit Malfunction.
Common causes
Common causes include Faulty Transmission Control Indicator Lamp, Transmission Control Indicator Lamp harness is open or shorted, Transmission Control Indicator Lamp circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 8,858
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 19, 2020
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Code P1779 Suzuki Description

The Powertrain Control Module (PCM) monitors the Transmission Control Indicator Lamp. The Diagnostic Trouble Code (DTC) will set when the PCM has detected a malfunction in the Transmission Control Indicator Lamp Circuit.
OBDII Code P1779 Suzuki - Transmission Control Indicator Lamp Circuit Malfunction - AutoCodes.com
P1779 Suzuki Code - Transmission Control Indicator Lamp Circuit Malfunction

What are the Possible Causes of the DTC P1779 Suzuki?

  • Faulty Transmission Control Indicator Lamp
  • Transmission Control Indicator Lamp harness is open or shorted
  • Transmission Control Indicator Lamp circuit poor electrical connection

How to Fix the DTC P1779 Suzuki?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1779 Suzuki 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 P1779 Suzuki Code

1. What are the common symptoms of OBDII code P1779 in a Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- Common symptoms include the transmission control indicator lamp (TCIL) staying illuminated or flashing on the dashboard, difficulty shifting gears, and potential loss of power.

2. What are the possible causes of OBDII code P1779 in a Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- The code may be triggered by issues such as a faulty TCIL bulb, damaged wiring or connectors in the TCIL circuit, a malfunctioning transmission control module, or a problem with the transmission itself.

3. How can I diagnose OBDII code P1779 in my Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- Diagnosing this code usually involves inspecting the TCIL bulb, checking the wiring and connectors for damage, scanning the transmission control module for error codes, and testing the transmission system for any issues.

4. Can I continue driving my Suzuki with OBDII code P1779 related to Transmission Control Indicator Lamp Circuit Malfunction?

- It is not recommended to drive your Suzuki with this code present, as it can lead to potential transmission issues and further damage if left unaddressed. It's best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair OBDII code P1779 in my Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- Repairing this code may involve replacing a faulty TCIL bulb, repairing or replacing damaged wiring and connectors, addressing any transmission control module issues, or repairing the transmission itself if necessary.

6. Are there any DIY tips for fixing OBDII code P1779 in a Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- While some simple tasks like checking the TCIL bulb or inspecting the wiring for visible damage can be done by DIY enthusiasts, diagnosing and repairing more complex issues related to this code may require professional assistance.

7. How much does it typically cost to repair OBDII code P1779 in a Suzuki related to Transmission Control Indicator Lamp Circuit Malfunction?

- The cost of repairing this code can vary depending on the specific cause of the issue. Simple fixes like replacing a bulb or repairing wiring may be relatively inexpensive, while more complex repairs involving the transmission control module or transmission itself can be more costly.

8. Can resetting the OBDII system clear OBDII code P1779 related to Transmission Control Indicator Lamp Circuit Malfunction?

- Resetting the OBDII system may temporarily clear the code, but it will likely reappear if the underlying issue is not addressed. It's important to diagnose and repair the root cause of the problem to prevent the code from returning.

9. Is OBDII code P1779 related to Transmission Control Indicator Lamp Circuit Malfunction a common issue in Suzuki vehicles?

- While not extremely common, this code can occur in Suzuki vehicles due to various factors such as electrical issues, transmission control module malfunctions, or transmission problems. Proper maintenance and timely repairs can help prevent this code from appearing.

10. Can a mechanic easily fix OBDII code P1779 related to Transmission Control Indicator Lamp Circuit Malfunction in a Suzuki?

- A qualified mechanic with experience in diagnosing and repairing electrical and transmission issues should be able to effectively address OBDII code P1779 in a Suzuki. It's recommended to seek professional help for accurate diagnosis and proper repairs.

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