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Engine-Codes - Generic - P0999

P0999 - Shift Solenoid 'F' Control Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0999 Possible Causes

What does this mean?
  • Faulty Shift Solenoid 'F'
  • Shift Solenoid 'F' harness is open or shorted
  • Shift Solenoid 'F' circuit poor electrical connection

How is the P0999 code repair?

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 labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

P0999 Meaning

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.

More Information

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Information for specific makes

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