[SOLVED] P099A Code: Fixing Shift Solenoid ‘g’ Control Circuit Range/Performance Issue

The automobile fault code P099A indicates a problem with the Shift Solenoid ‘G’ in the vehicle’s transmission system.

The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light. The cause of this fault code can be a faulty Shift Solenoid ‘G’, an open or shorted harness, or a poor electrical connection in the Shift Solenoid ‘G’ circuit.

To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.

Check for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this issue is estimated to be around 1.0 hour. It is important to address this fault code promptly to prevent further damage to the transmission system.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p099a fault code.

  • The symptoms of the automobile fault code p099a include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p099a can be caused by a faulty Shift Solenoid ‘G’, an open or shorted Shift Solenoid ‘G’ harness, or a poor electrical connection in the Shift Solenoid ‘G’ circuit.

  • The fault code P099A can be caused by the following: 1.
  • Faulty Shift Solenoid ‘G’.
  • 2.
  • Shift Solenoid ‘G’ harness is open or shorted.
  • 3.
  • Shift Solenoid ‘G’ circuit has a poor electrical connection.

To fix the automobile fault code p099a, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p099a, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors.
  • This fix typically takes around 1.0 hour to complete.

The automobile fault code p099a diagnosis and fixing cost is influenced by the estimated repair time, which is 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for their services.

The P099A fault code refers to the Shift Solenoid ‘G’ Control Circuit RangePerformance. This code is set by the Transmission Control Module (TCM) when it detects that the Shift Solenoid is not operating within the factory specifications.

The TCM constantly monitors the signal from the Shift Solenoid to ensure smooth shifting of gears. When this code is triggered, it indicates that there is an issue with the control circuit of the Shift Solenoid ‘G’. It is important to address this issue promptly to avoid further damage to the transmission system.

What are the possible causes for the automobile fault code p099a?

If you see the engine light or service engine soon warning light on, it could be due to the fault code P099A. This code is typically caused by a faulty shift solenoid ‘G’, an open or shorted shift solenoid ‘G’ harness, or a poor electrical connection in the shift solenoid ‘G’ circuit. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look out for broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix the issue?

To fix the issue of the Engine Light being ON or the Service Engine Soon Warning Light, start by visually inspecting the wiring harness and connectors. This can help identify the cause, which could be a faulty Shift Solenoid ‘G’, an open or shorted Shift Solenoid ‘G’ harness, or a poor electrical connection in the Shift Solenoid ‘G’ circuit. Check for any damaged components and look closely for broken, bent, pushed out, or corroded pins in the connectors. This thorough inspection will help pinpoint the problem and guide you towards the appropriate fix.

What should I look for when checking for damaged components or corroded connector pins?

When troubleshooting a faulty shift solenoid ‘G’ that is causing the engine light to turn on, it’s important to visually inspect the wiring harness and connectors. Look for any damaged components and pay close attention to the connector pins. Check for any signs of corrosion, bending, breaking, or being pushed out. These issues can lead to poor electrical connections and contribute to the problem. Take the time to thoroughly examine these areas to ensure a proper fix.

p099a error fault code explained

If your engine light is on and you’re getting the P099A fault code, it could be due to a faulty Shift Solenoid ‘G’, an open or shorted harness, or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded pins on the connectors.

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