Engine-CodesGeneric – P2796

P2796 Code - Electronic Transmission Fluid Auxiliary Pump Control Circuit

Quick Answer

The P2796 diagnostic trouble code (DTC) refers to the Electronic Transmission Fluid Auxiliary Pump Control Circuit. Common causes include Faulty electronic transmission fluid auxiliary pump, Wiring or connector issues in the control circuit, Defective transmission control module (TCM). 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
P2796 indicates Electronic Transmission Fluid Auxiliary Pump Control Circuit.
Common causes
Common causes include Faulty electronic transmission fluid auxiliary pump, Wiring or connector issues in the control circuit, Defective transmission control module (TCM).
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P2796 Description

The P2796 diagnostic trouble code (DTC) refers to the Electronic Transmission Fluid Auxiliary Pump Control Circuit. This code indicates a malfunction in the control circuit of the electronic transmission fluid auxiliary pump, which is responsible for maintaining proper pressure and flow of transmission fluid within the transmission system. The auxiliary pump is crucial for ensuring smooth gear shifts, cooling the transmission components, and preventing overheating.

OBDII Code P2796 - Electronic Transmission Fluid Auxiliary Pump Control Circuit
P2796 Code - Electronic Transmission Fluid Auxiliary Pump Control Circuit

Common Causes of P2796

  1. Faulty electronic transmission fluid auxiliary pump
  2. Wiring or connector issues in the control circuit
  3. Defective transmission control module (TCM)
  4. Low transmission fluid levels or contaminated fluid
  5. Electrical issues such as blown fuses or relays

Symptoms of P2796

  1. Erratic shifting patterns
  2. Harsh or delayed gear changes
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Transmission overheating

How to Fix P2796

  1. Perform a thorough diagnostic scan to confirm the P2796 code.
  2. Inspect the electronic transmission fluid auxiliary pump and its control circuit for any visible damage or loose connections.
  3. Test the transmission control module (TCM) for proper functioning and replace if necessary.
  4. Check transmission fluid levels and quality, top up or flush if needed.
  5. Clear the code and test drive the vehicle to ensure proper transmission operation.

Cost to Fix P2796

The typical repair costs for addressing the P2796 code can vary depending on the specific cause of the issue. On average, parts for this repair may range from $100 to $300, while labor costs could be between $150 and $300. Therefore, the total cost for resolving this problem could be around $250 to $600. It's important to note that actual costs may vary based on the location, vehicle make and model, and the labor rates of the auto repair shop. It's recommended to obtain quotes from different shops to get a more accurate estimate.

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Code P2796 Information for Specific Makes

  • P2796 Ford — Electronic Transmission Fluid Auxiliary Pump Control Circuit
  • P2796 Lincoln — Electronic Transmission Fluid Auxiliary Pump Control Circuit
  • P2796 Mercury — Electronic Transmission Fluid Auxiliary Pump Control Circuit
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 P2796 Code

No Frequently Asked Questions about P2796 Code found.

Discuss the causes and fixes for P2796 OBDII Code

  • I have a 2015 f150 2.7, I got the wrench symbol yesterday. The stop start wasn't working since I got the truck 8 months ago.I get 16 miles pg. I have driven it some with the wrench symbol and have not noticed anything different.

  • If you have the Wrench Symbol, it means that there must be a code store in the PCM. Your next step is to check the code. Once you get he code you'll get a better idea what the problem is.

  • The code is P 2796

  • I checked a national database of repairs on this code, although it is safe to drive, it looks like you may have a problem with the Engine Control Module (ECM). Replacing the Electronic Transmission Fluid Auxiliary Pump may not fix the problem.