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Engine-Codes – Generic – P1EB8

P1EB8 Code - Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset

Quick Answer

The P1EB8 diagnostic trouble code (DTC) indicates that the auxiliary transmission fluid pump control module's long-term memory needs to be reset. Common causes include Corrupted data in the auxiliary transmission fluid pump control module, Electrical issues within the module, Faulty wiring or connections. 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
P1EB8 indicates Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset.
Common causes
Common causes include Corrupted data in the auxiliary transmission fluid pump control module, Electrical issues within the module, Faulty wiring or connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P1EB8 Description

The P1EB8 diagnostic trouble code (DTC) indicates that the auxiliary transmission fluid pump control module's long-term memory needs to be reset. This module is responsible for controlling the auxiliary transmission fluid pump, which helps maintain proper fluid pressure in the transmission system. The long-term memory reset is necessary to clear any stored data that may be causing issues with the module's operation.

OBDII Code P1EB8 - Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
P1EB8 Code - Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset

Common Causes of P1EB8

  1. Corrupted data in the auxiliary transmission fluid pump control module
  2. Electrical issues within the module
  3. Faulty wiring or connections
  4. Software glitches or malfunctions
  5. Environmental factors affecting module operation

Symptoms of P1EB8

  1. Erratic shifting
  2. Transmission slippage
  3. Harsh shifts
  4. Delayed shifting
  5. Transmission failure

How to Fix P1EB8

  1. Use a diagnostic scan tool to retrieve the trouble code and clear the long-term memory in the auxiliary transmission fluid pump control module.
  2. Inspect the wiring and connections to the module for any damage or corrosion, repairing or replacing as needed.
  3. Check for any software updates or reprogramming that may be available for the module to address any glitches.
  4. Test drive the vehicle to ensure proper transmission operation and verify that the code does not return.
  5. If the code persists, consider replacing the auxiliary transmission fluid pump control module.

Cost to Fix P1EB8

The typical repair costs for addressing the P1EB8 code can vary depending on the specific vehicle make and model, as well as the labor rates in your area. On average, the cost of resetting the auxiliary transmission fluid pump control module's long-term memory may range from $100 to $300, including parts and labor. However, it's important to note that additional costs may apply if further repairs or replacements are necessary. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates can vary based on location and other factors.

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Code P1EB8 Information for Specific Makes

  • P1EB8 Buick — Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
  • P1EB8 Cadillac — Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
  • P1EB8 Chevrolet — Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
  • P1EB8 GMC — Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
  • P1EB8 Saturn — Auxiliary Transmission Fluid Pump Control Module Long Term Memory Reset
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 P1EB8 Code

1. What does OBDII code P1EB8 mean?

P1EB8 indicates an issue with the Auxiliary Transmission Fluid Pump Control Module's long-term memory, often caused by a reset or failure to retain data.

2. What are the common symptoms of code P1EB8?

Symptoms may include erratic transmission behavior, delayed shifting, illuminated check engine light, or reduced fuel efficiency.

3. What causes the P1EB8 code to appear?

Common causes include a faulty auxiliary transmission fluid pump control module, software glitches, or a loss of power to the module.

4. Can I drive with the P1EB8 code active?

While the vehicle may still drive, it is not recommended as transmission performance could be compromised, potentially leading to further damage.

5. How do you diagnose the P1EB8 code?

Diagnosis involves scanning for codes, checking the integrity of the control module wiring and connections, and testing the auxiliary pump’s functionality.

6. How is the P1EB8 code fixed?

Repairs may include reprogramming or replacing the auxiliary fluid pump control module, verifying battery connections, or addressing wiring issues.

7. Does clearing the P1EB8 code solve the problem?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.

8. Is the P1EB8 code specific to certain vehicles?

Yes, P1EB8 is typically found in vehicles equipped with an auxiliary transmission fluid pump, such as hybrid or electric models.

9. How much does it cost to repair the P1EB8 code?

Repair costs can vary, but replacing or reprogramming the control module can range from $200 to $600 depending on labor and parts.

10. Can low transmission fluid cause the P1EB8 code?

While low fluid levels are not a direct cause, they can contribute to transmission issues that may exacerbate the problem. Always check the fluid level as part of the diagnosis.

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