AutoCodes – Subaru – P1698 Subaru

P1698 Subaru Code - Engine Torque Control Cut Signal Circuit Low Input

Quick Answer

P1698 Subaru indicates Engine Torque Control Cut Signal Circuit Low Input. Common causes include Faulty Engine Control Module (ECM), Faulty Transmission Control Module (TCM), Engine Control Module (ECM) harness is open or shorted. 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: P1698 Subaru indicates Engine Torque Control Cut Signal Circuit Low Input.
Common causes: Common causes include Faulty Engine Control Module (ECM), Faulty Transmission Control Module (TCM), Engine Control Module (ECM) harness is open or shorted.
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 13,360

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 Sep 10, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1698 Subaru Description

OBDII Code P1698 Subaru - Engine Torque Control Cut Signal Circuit Low Input - AutoCodes.com — P1698 Subaru Code - Engine Torque Control Cut Signal Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P1698 Subaru?

Faulty Engine Control Module (ECM)
Faulty Transmission Control Module (TCM)
Engine Control Module (ECM) harness is open or shorted
Engine Control Module (ECM) circuit poor electrical connection

How to Fix the DTC P1698 Subaru?

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 P1698 Subaru 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 P1698 Subaru code?

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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 P1698 Subaru Code

1. What are common symptoms of OBDII code P1698 in a Subaru related to the Engine Torque Control Cut Signal Circuit Low Input?

The common symptoms include poor engine performance, reduced power, engine stalling, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code P1698 in a Subaru?

The code P1698 in a Subaru can be caused by issues such as a faulty torque control signal circuit, damaged wiring harness, loose connections, or a defective engine control module (ECM).

3. How can I diagnose the OBDII code P1698 in my Subaru?

Diagnosing the code P1698 involves performing a thorough inspection of the torque control signal circuit, checking the wiring for any damage or loose connections, and testing the ECM for proper functionality using a diagnostic scanner.

4. Can a DIY enthusiast repair OBDII code P1698 in a Subaru at home?

While some basic inspections like checking for loose connections or damaged wiring can be done at home, repairing OBDII code P1698 often requires advanced diagnostic tools and expertise. It is recommended to seek professional help for a proper diagnosis and repair.

5. Is it safe to continue driving my Subaru with OBDII code P1698 present?

It is not advisable to continue driving your Subaru with the OBDII code P1698 present, as it can lead to further engine damage, reduced fuel efficiency, or safety hazards due to poor performance.

6. How much does it typically cost to repair OBDII code P1698 in a Subaru?

The cost of repairing OBDII code P1698 in a Subaru can vary depending on the exact cause of the issue, but it usually ranges from $200 to $800, including parts and labor.

7. Can a bad sensor trigger OBDII code P1698 in a Subaru?

While a faulty sensor may not directly trigger OBDII code P1698, it can contribute to issues with the torque control system, leading to the code being generated. It's essential to diagnose the root cause accurately.

8. Are there any preventive maintenance tips to avoid OBDII code P1698 in a Subaru?

To prevent OBDII code P1698 in a Subaru, regular maintenance, such as checking and cleaning electrical connections, inspecting wiring harnesses for damage, and addressing any engine performance issues promptly, can help avoid potential problems.

9. Will resetting the OBDII codes make OBDII code P1698 disappear temporarily?

Resetting the OBDII codes may temporarily clear the code P1698, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces. It is crucial to diagnose and repair the root cause of the code.

10. Can extreme weather conditions affect OBDII code P1698 in a Subaru?

Extreme weather conditions, such as severe cold or heat, can potentially exacerbate existing issues related to OBDII code P1698 in a Subaru, leading to electrical connections becoming loose or wiring damage. Regular inspections and maintenance are crucial in such conditions.