Engine-CodesGeneric – P0997

P0997 Code - Shift Solenoid 'F' Control Circuit Range/Performance

Quick Answer

The P0997 diagnostic trouble code (DTC) refers to a Shift Solenoid 'F' Control Circuit Range/Performance issue. Common causes include Faulty shift solenoid 'F', Wiring issues or shorts in the control circuit, Defective transmission control module (TCM). 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
P0997 indicates Shift Solenoid 'F' Control Circuit Range/Performance.
Common causes
Common causes include Faulty shift solenoid 'F', Wiring issues or shorts in the control circuit, Defective transmission control module (TCM).
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P0997 Description

The P0997 diagnostic trouble code (DTC) refers to a Shift Solenoid 'F' Control Circuit Range/Performance issue. This code indicates that there is a problem with the control circuit for the shift solenoid 'F' in the transmission. The shift solenoid is responsible for controlling the flow of transmission fluid to engage or disengage specific gears in the transmission. When the control circuit for this solenoid is not functioning correctly, it can lead to issues with shifting gears smoothly, which can affect the vehicle's overall performance.

OBDII Code P0997 - Shift Solenoid 'F' Control Circuit Range/Performance
P0997 Code - Shift Solenoid 'F' Control Circuit Range/Performance

Common Causes of P0997

  1. Faulty shift solenoid 'F'
  2. Wiring issues or shorts in the control circuit
  3. Defective transmission control module (TCM)
  4. Low transmission fluid levels
  5. Internal transmission damage

Symptoms of P0997

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Erratic shifting behavior
  4. Illuminated Check Engine Light
  5. Decreased fuel efficiency

How to Fix P0997

  1. Diagnose the issue using a scan tool to confirm the P0997 code and identify the specific cause of the problem.
  2. Inspect the wiring harness and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the shift solenoid 'F' for proper operation. Replace if found to be faulty.
  4. Check and top up transmission fluid levels if low. Inspect for any signs of contamination or debris.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0997

The cost of repairing a P0997 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this type of transmission solenoid issue can range from $200 to $500, including parts and labor. However, it's important to note that prices can fluctuate based on the vehicle make and model, the severity of the problem, and the shop's hourly labor rates. It's recommended to obtain quotes from local auto repair shops to get a more accurate estimate for your specific situation.

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Code P0997 Information for Specific Makes

  • P0997 Dodge — Shift Solenoid 'F' Control Circuit Range/Performance
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.

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