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Engine-Codes – Generic – P0912

P0912 Code - Gate Select Actuator Circuit Low

Quick Answer

The diagnostic trouble code P0912 indicates a problem with the Gate Select Actuator Circuit being too low. Common causes include Faulty gate select actuator, Damaged wiring or connectors in the circuit, Malfunctioning transmission control module. 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
P0912 indicates Gate Select Actuator Circuit Low.
Common causes
Common causes include Faulty gate select actuator, Damaged wiring or connectors in the circuit, Malfunctioning transmission control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0912 Description

The diagnostic trouble code P0912 indicates a problem with the Gate Select Actuator Circuit being too low. This code is specific to vehicles equipped with a gate select actuator, a component that is responsible for controlling the movement of gates or selectors in the transmission system. The gate select actuator circuit is crucial for ensuring proper gear selection and smooth shifting in the transmission.

OBDII Code P0912 - Gate Select Actuator Circuit Low
P0912 Code - Gate Select Actuator Circuit Low

Common Causes of P0912

  1. Faulty gate select actuator
  2. Damaged wiring or connectors in the circuit
  3. Malfunctioning transmission control module
  4. Low transmission fluid levels
  5. Electrical issues such as a blown fuse or relay

Symptoms of P0912

  1. Difficulty shifting gears
  2. Delayed or rough shifting
  3. Transmission slipping
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P0912

  1. Diagnose the issue using a scan tool to confirm the P0912 code and pinpoint the exact cause of the problem.
  2. Inspect the gate select actuator, wiring, and connectors for any signs of damage or corrosion. Replace any faulty components.
  3. Check the transmission control module for proper functioning and reprogram or replace if necessary.
  4. Ensure proper transmission fluid levels and quality. Top up or replace the fluid if needed.
  5. Clear the trouble code from the vehicle's computer using the scan tool and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0912

The cost of repairing a P0912 code can vary depending on the specific cause of the issue and the extent of repairs needed. On average, the cost for parts and labor can range from $200 to $500. Keep in mind that labor rates can vary between different auto repair shops, so it is advisable to obtain quotes from multiple shops to ensure a competitive price. Additionally, the cost may be higher if any major components need to be replaced.

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Code P0912 Information for Specific Makes

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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