AutoCodes – Saturn – P2797 Saturn

P2797 Saturn Code - Auxiliary Transmission Fluid Pump Performance

Quick Answer

The power inverter module, often referred to as the drive motor generator power inverter module contains three motor control modules and the hybrid powertrain control module. Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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: P2797 Saturn indicates Auxiliary Transmission Fluid Pump Performance.
Common causes: Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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.

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Code Popularity 1,442

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2797 Saturn Description

The power inverter module, often referred to as the drive motor generator power inverter module contains three motor control modules and the hybrid powertrain control module. Two of the motor control modules operate their respective drive motor generator based upon power inverter module commands. The third motor control module controls the auxiliary transmission fluid pump motor. The hybrid powertrain control module and the motor control modules share the power inverter module ignition voltage circuit, battery voltage circuits and chassis earth.

OBDII Code P2797 Saturn - Auxiliary Transmission Fluid Pump Performance - AutoCodes.com — P2797 Saturn Code - Auxiliary Transmission Fluid Pump Performance

What does this mean?

What are the Possible Causes of the DTC P2797 Saturn?

Faulty Auxiliary Transmission Fluid Pump
Auxiliary Transmission Fluid Pump harness is open or shorted
Auxiliary Transmission Fluid Pump circuit poor electrical connection

How to Fix the DTC P2797 Saturn?

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 P2797 Saturn 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 P2797 Saturn code?

Need more information on how to fix the P2797 Saturn code? Get Access to Factory Service Manuals

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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.

Frequently Asked Questions about P2797 Saturn Code

1. What does the OBDII code P2797 mean for a Saturn vehicle?

P2797 indicates an issue with the auxiliary transmission fluid pump performance, which helps maintain proper transmission fluid pressure.

2. What are the common symptoms of the P2797 code in a Saturn?

Symptoms may include a check engine light, difficulty shifting gears, erratic transmission behavior, or overheating of the transmission.

3. What causes the P2797 code to appear in a Saturn?

Common causes include a faulty auxiliary transmission fluid pump, electrical issues like damaged wiring or connectors, or low transmission fluid levels.

4. Can driving with a P2797 code damage my Saturnâ€™s transmission?

Yes, continued driving with this code can lead to transmission overheating or failure due to inadequate fluid circulation.

5. How do I diagnose the P2797 code in my Saturn?

Diagnosis involves scanning for stored trouble codes, inspecting the auxiliary pump and its electrical connections, and checking the transmission fluid level and condition.

6. How do I fix the P2797 code on a Saturn?

Repairs may include replacing the auxiliary transmission fluid pump, repairing or replacing damaged wiring, or replenishing and flushing the transmission fluid if necessary.

7. Is the P2797 code specific to Saturn vehicles?

No, P2797 is a generic OBDII code, but its symptoms and fixes can vary depending on the vehicle make and model.

8. How much does it cost to fix the P2797 code on a Saturn?

Repair costs depend on the exact issue, with auxiliary pump replacement typically ranging from $300 to $800, excluding diagnostic fees.

9. Can low transmission fluid cause the P2797 code in a Saturn?

Yes, low or contaminated transmission fluid can reduce pump performance, triggering the P2797 code.

10. Do I need a mechanic to fix the P2797 code on my Saturn?

While some issues like topping off fluid can be DIY, diagnosing and replacing the auxiliary pump or repairing wiring is best handled by a professional.