Engine-Codes - Generic - P0999

P0999 Code - Shift Solenoid 'F' Control Circuit High

- Code Popularity: 5,189 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0999 Code?

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

|How to Fix the P0999 Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P0999 code?

Labor: 1.0

The cost to diagnose the P0999 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0999 code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0999 Code Mean?

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.

Shift Solenoid 'F' Control Circuit High

|Need more information with the P0999 code?

Need more information on how to fix the P0999 code?
Get Access to Factory Service Manuals

|P0999 code information for specific makes

|Need help with a P0999 code?

Get the P0999 code diagnosed by a professional: Find a repair shop in your area