[SOLVED] P2799 Code: Fixing High Control Circuit In Auxiliary Transmission Pump

The P2799 automobile fault code indicates a problem with the oil pump motor controller. The most common symptom is the illumination of the engine light or service engine soon warning light.

The cause of this fault code could be a faulty oil pump motor controller, an open or shorted harness, poor electrical connection, a faulty hybrid vehicle control ECU, or a faulty oil pump motor relay. The importance of repairing this issue lies in the fact that it can lead to engine damage if left unaddressed. The repair difficulty is moderate, and the fix involves visually inspecting the wiring harness and connectors for damage and checking for broken, bent, pushed out, or corroded connector pins.

The repair time is estimated to be around 1.0 hour.

To interpret the fault code, one should check the possible causes listed above and visually inspect the related components.

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

If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of p2799 fault code. Here are the symptoms to look out for:

  • The P2799 fault code in automobiles can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the transmission, such as difficulty shifting gears or the transmission slipping.
  • The vehicle may also experience reduced power or acceleration, and there may be a noticeable decrease in fuel efficiency.
  • Additionally, the car may emit unusual noises or vibrations, and there may be a burning smell coming from the engine.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code P2799 can be caused by various factors, including a faulty oil pump motor controller and poor electrical connections.

  • The automobile fault code P2799 can be caused by a faulty oil pump motor controller, an open or shorted oil pump motor controller harness, a poor electrical connection in the oil pump motor controller circuit, a faulty hybrid vehicle control ECU, and a faulty oil pump motor relay.

Below are the possible fixes for the automobile fault code: p2799, including inspecting wiring harness, connectors, and damaged components.

  • To fix the automobile fault code P2799, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P2799 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops.

Therefore, the total cost of diagnosis and fixing the P2799 fault code will depend on the hourly rate charged by the repair shop and the time taken to complete the repair.

The P2799 fault code is related to the Auxiliary Transmission Fluid Pump control circuit. This code is triggered when the Hybrid Vehicle Control ECU detects a malfunction in the operation of the Auxiliary Transmission Fluid Pump. When this happens, the MIL (Malfunction Indicator Lamp) will illuminate, and a Diagnostic Trouble Code (DTC) will be set.

The specific issue identified by the P2799 code is a high circuit voltage in the Auxiliary Transmission Fluid Pump control circuit.

What are the possible causes of the automobile fault code P2799?

If you see the engine light on or the service engine soon warning light, it could be due to the P2799 fault code. This code is caused by a faulty oil pump motor controller, an open or shorted oil pump motor controller harness, a poor electrical connection in the oil pump motor controller circuit, a faulty hybrid vehicle control ECU, or a faulty oil pump motor relay. To fix this issue, you should check the possible causes listed above, visually inspect the related wiring harness and connectors, and look for damaged components or broken, bent, pushed out, or corroded connector’s pins.

How can I fix the P2799 fault code in my car?

If you’re experiencing the P2799 fault code in your car, which is indicated by the engine light being on, it could be due to a faulty oil pump motor controller, an open or shorted harness, poor electrical connection, a faulty hybrid vehicle control ECU, or a faulty oil pump motor relay. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Is it necessary to visually inspect the wiring harness and connectors to fix the P2799 fault code?

Yes, it is necessary to visually inspect the wiring harness and connectors to fix the P2799 fault code. The possible causes of this code include a faulty oil pump motor controller, open or shorted harness, poor electrical connection, faulty hybrid vehicle control ECU, and faulty oil pump motor relay. To fix the issue, it is recommended to check the possible causes listed above and visually inspect the related wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector’s pins.

p2799 error fault code explained

If your engine light is on, it could be due to a faulty oil pump motor controller, harness issues, or a faulty hybrid vehicle control ECU. Check for damaged components and inspect wiring harnesses and connectors.

Look for broken, bent, pushed out, or corroded connector pins.

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