P2799 Lexus Code - Auxiliary Transmission Fluid Pump Control Circuit High
Quick Answer
The Hybrid Vehicle Control ECU monitors the operation of the Auxiliary Transmission Fluid Pump. Common causes include Faulty Oil Pump Motor Controller, Oil Pump Motor Controller harness is open or shorted, Oil Pump Motor Controller circuit poor electrical connection. 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
- P2799 Lexus indicates Auxiliary Transmission Fluid Pump Control Circuit High.
- Common causes
- Common causes include Faulty Oil Pump Motor Controller, Oil Pump Motor Controller harness is open or shorted, Oil Pump Motor Controller circuit poor electrical connection.
- 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.
Code P2799 Lexus Description
What are the Possible Causes of the DTC P2799 Lexus?
- Faulty Oil Pump Motor Controller
- Oil Pump Motor Controller harness is open or shorted
- Oil Pump Motor Controller circuit poor electrical connection
- Faulty Hybrid Vehicle Control ECU
- Faulty Oil Pump Motor Relay
How to Fix the DTC P2799 Lexus?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2799 Lexus code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P2799 Lexus code?
Need more information on how to fix the P2799 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2799 Lexus code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2799 Lexus Code
1. What are common symptoms of OBDII code P2799 in a Lexus related to the Auxiliary Transmission Fluid Pump Control Circuit High?
The common symptoms include transmission shifting issues, harsh shifting, illuminated Check Engine Light, and decreased fuel efficiency.
2. What are the possible causes of OBDII code P2799 in a Lexus?
Possible causes include a faulty auxiliary transmission fluid pump, damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning transmission control module.
3. How can I diagnose the reason behind OBDII code P2799 in my Lexus?
Diagnosis involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, inspecting the auxiliary transmission fluid pump and its circuitry, and conducting a thorough visual inspection of the wiring and connectors.
4. What are the recommended steps to repair OBDII code P2799 in a Lexus?
The repair process may involve replacing the auxiliary transmission fluid pump, repairing or replacing damaged wiring or connectors, ensuring the transmission fluid level is correct, and resetting the trouble code.
5. Can I continue driving my Lexus with OBDII code P2799 present?
It is not recommended to continue driving with this code present, as it can lead to further transmission damage or performance issues. It is advisable to address the underlying problem promptly.
6. How much does it typically cost to repair OBDII code P2799 in a Lexus?
The cost of repair can vary depending on the exact cause of the issue and the labor rates in your area. It is recommended to consult a professional technician for an accurate estimate.
7. Are there any preventive maintenance tips to avoid OBDII code P2799 in a Lexus?
Regularly checking and maintaining the transmission fluid level, addressing any leaks promptly, and following the manufacturer's recommended service intervals can help prevent issues that may trigger this code.
8. Can a DIY enthusiast with automotive knowledge fix OBDII code P2799 in a Lexus?
Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code. However, it is recommended to seek professional assistance for accurate diagnosis and repair.
9. Is OBDII code P2799 specific to Lexus vehicles only?
While the code description may mention Lexus, OBDII code P2799 related to the Auxiliary Transmission Fluid Pump Control Circuit High can potentially occur in other makes and models as well.
10. How urgent is it to address OBDII code P2799 in a Lexus?
It is important to address this code promptly to prevent potential transmission damage and ensure the vehicle operates safely and efficiently. Delaying repairs can lead to more extensive and costly issues down the line.
Discuss the causes and fixes for P2799 Lexus OBDII Code
Code P2799 Lexus comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
