P2797 OBD-II: AUXILIARY Transmission Fluid Pump Performance
P2797 Severity
Will P2797 go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P2797?
The Drive Motor Generator Power Inverter Control Module contains the Motor Driver that controls the Auxiliary Transmission Fluid Pump, The Auxiliary Transmission Fluid Pump creates hydraulic pressure in the transmission, allowing the transmission to be able to shift gears. If the Motor Driver detects the pump is not capable of producing the pressure requested, code P2797 will set.Additional codes are usually stored along with code P2797 and should be diagnosed and repaired first.
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What Does P2797 Code Mean?
OBD-II Code P2797 is defined as a AUXILIARY Transmission Fluid Pump Performance
The Drive Motor Generator Power Inverter Control Module contains the Motor Driver that controls the Auxiliary Transmission Fluid Pump, The Auxiliary Transmission Fluid Pump creates hydraulic pressure in the transmission, allowing the transmission to be able to shift gears. If the Motor Driver detects the pump is not capable of producing the pressure requested, code P2797 will set.Additional codes are usually stored along with code P2797 and should be diagnosed and repaired first.
Common Problems That Trigger the P2797 Code
- Auxiliary transmission pump failure
- Drive motor generator power inverter control module failure
- Transmission Control Module (TCM) failure
- Wiring issue
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