AutoCodesLincoln – P2796 Lincoln

P2796 Lincoln Code - Electronic Transmission Fluid Auxiliary Pump Control Circuit

Quick Answer

The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary 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
P2796 Lincoln indicates Electronic Transmission Fluid Auxiliary Pump Control Circuit.
Common causes
Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary 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 1,303
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 21, 2020
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Code P2796 Lincoln Description

The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. The Transmission Control Module (TCM) monitors the Electronic Transmission Fluid Auxiliary Pump Control Circuit. The TCM sets the OBDII code when the Electronic Transmission Fluid Auxiliary Pump Control Circuit signal is out of factory specifications.
OBDII Code P2796 Lincoln - Electronic Transmission Fluid Auxiliary Pump Control Circuit - AutoCodes.com
P2796 Lincoln Code - Electronic Transmission Fluid Auxiliary Pump Control Circuit

What are the Possible Causes of the DTC P2796 Lincoln?

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

How to Fix the DTC P2796 Lincoln?

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 P2796 Lincoln 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.

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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 P2796 Lincoln Code

1. What does the OBDII code P2796 mean for a Lincoln vehicle?

P2796 indicates a problem with the Electronic Transmission Fluid Auxiliary Pump Control Circuit, which helps manage transmission fluid flow in certain driving conditions.

2. What are the common symptoms of the P2796 code in a Lincoln?

Symptoms may include transmission overheating, poor shifting performance, limp mode activation, and the illumination of the check engine light.

3. What causes the P2796 code to appear in a Lincoln?

Common causes include a faulty auxiliary transmission fluid pump, damaged wiring or connectors in the control circuit, or a failed transmission control module (TCM).

4. Can I continue driving my Lincoln with the P2796 code?

It’s not recommended, as continued driving can lead to transmission damage due to overheating or improper fluid circulation.

5. How do I diagnose the P2796 code in a Lincoln?

Start by inspecting the wiring and connectors for damage or corrosion, then test the auxiliary pump and control circuit for proper operation. Use a scan tool to verify live data from the transmission system.

6. What repairs are commonly needed to fix the P2796 code?

Repairs may include replacing the auxiliary transmission fluid pump, repairing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the TCM.

7. How much does it cost to fix the P2796 code on a Lincoln?

The cost varies depending on the required repair. Replacing the auxiliary pump can cost $300-$700, while wiring repairs or TCM replacement may cost more.

8. Can a low transmission fluid level cause the P2796 code?

While low fluid levels don’t directly trigger P2796, they can cause overheating and stress on the auxiliary pump, potentially leading to circuit issues.

9. Is the P2796 code specific to Lincoln vehicles?

No, this code can appear on other vehicles with electronic auxiliary transmission fluid pumps, but the diagnosis and repair process may differ across brands.

10. Do I need special tools to fix the P2796 code on my Lincoln?

Yes, basic tools for electrical testing, a scan tool for diagnostics, and sometimes manufacturer-specific software for reprogramming the TCM are needed.

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