AutoCodesDodge – P0998 Dodge

P0998 Dodge Code - Shift Solenoid 'F' Control Circuit Low

Quick Answer

The Transmission Control Module (TCM) monitors the Shift Solenoid signal. Common causes include Faulty Shift Solenoid 'F', Shift Solenoid 'F' harness is open or shorted, Shift Solenoid 'F' 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
P0998 Dodge indicates Shift Solenoid 'F' Control Circuit Low.
Common causes
Common causes include Faulty Shift Solenoid 'F', Shift Solenoid 'F' harness is open or shorted, Shift Solenoid 'F' 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.
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Code Popularity 3,578
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 11, 2019
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Code P0998 Dodge Description

The Transmission Control Module (TCM) monitors the Shift Solenoid signal. The TCM sets the OBDII code when the Shift Solenoid is not to factory specifications.
OBDII Code P0998 Dodge - Shift Solenoid 'F' Control Circuit Low - AutoCodes.com
P0998 Dodge Code - Shift Solenoid 'F' Control Circuit Low

What are the Possible Causes of the DTC P0998 Dodge?

  • Faulty Shift Solenoid 'F'
  • Shift Solenoid 'F' harness is open or shorted
  • Shift Solenoid 'F' circuit poor electrical connection

How to Fix the DTC P0998 Dodge?

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 P0998 Dodge 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 P0998 Dodge Code

1. What does the OBDII code P0998 mean on a Dodge?

P0998 indicates a "Shift Solenoid 'F' Control Circuit Low," meaning the powertrain control module (PCM) has detected a low voltage or malfunction in the circuit controlling shift solenoid 'F'.

2. What are the common symptoms of a P0998 code on a Dodge vehicle?

Symptoms may include harsh or erratic shifting, the transmission stuck in one gear (limp mode), illuminated check engine light, and reduced fuel efficiency.

3. What causes the P0998 code to appear?

Common causes include faulty shift solenoid 'F', damaged or corroded wiring, poor electrical connections in the circuit, or a malfunctioning transmission control module (TCM).

4. How serious is the P0998 code on a Dodge?

This code is considered moderately serious as it can affect drivability and transmission performance, potentially leading to further damage if ignored.

5. Can I drive my Dodge with a P0998 code active?

It's not recommended to drive with this code active, as it can cause transmission issues and worsen the problem. It’s best to address the issue promptly.

6. How can I diagnose the P0998 code on my Dodge?

Start by scanning for codes with an OBDII scanner, inspecting the wiring and connections to the shift solenoid, and testing the solenoid itself for proper function.

7. How do I fix the P0998 code on a Dodge vehicle?

Repairs may include replacing the faulty shift solenoid 'F', repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming/updating the PCM if necessary.

8. What tools are needed to fix the P0998 code?

You’ll need an OBDII scanner, a multimeter for testing voltage, and basic tools for accessing and repairing wiring or solenoids.

9. Can a dirty transmission fluid cause the P0998 code?

Yes, contaminated or low transmission fluid can lead to solenoid malfunctions, so it’s important to check and replace the fluid if necessary.

10. How much does it cost to repair a P0998 code on a Dodge?

Repair costs can vary widely, ranging from $100 to $500 or more, depending on whether it’s a simple wiring repair or requires replacing the shift solenoid or TCM.

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