Engine-CodesGeneric – P1EB7

P1EB7 Code - Drive Motor 2 Control Module Long Term Memory Reset

Quick Answer

The P1EB7 diagnostic trouble code (DTC) specifically refers to a fault in the Drive Motor 2 Control Module Long Term Memory Reset. Common causes include Electrical faults, Wiring issues, Faulty drive motor control module. 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
P1EB7 indicates Drive Motor 2 Control Module Long Term Memory Reset.
Common causes
Common causes include Electrical faults, Wiring issues, Faulty drive motor control module.
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 Sep 09, 2024
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Code P1EB7 Description

The P1EB7 diagnostic trouble code (DTC) specifically refers to a fault in the Drive Motor 2 Control Module Long Term Memory Reset. This code indicates that the control module responsible for managing the second drive motor in a hybrid or electric vehicle has experienced a reset in its long-term memory. The long-term memory reset typically occurs when the control module loses power or encounters a fault that requires it to reset to its default settings.

OBDII Code P1EB7 - Drive Motor 2 Control Module Long Term Memory Reset
P1EB7 Code - Drive Motor 2 Control Module Long Term Memory Reset

Common Causes of P1EB7

  1. Electrical faults
  2. Wiring issues
  3. Faulty drive motor control module
  4. Software glitches
  5. Problems with hybrid or electric system

Symptoms of P1EB7

  1. Loss of power
  2. Poor acceleration
  3. Decreased fuel efficiency
  4. Erratic behavior in drive motor
  5. Drivability problems

How to Fix P1EB7

  1. Perform a thorough inspection of the drive motor control module and associated wiring to identify any visible damage or loose connections.
  2. Check for any software updates or reprogramming that may be available from the manufacturer to address the long-term memory reset issue.
  3. Test the drive motor control module to determine if it is functioning properly or if it needs to be replaced.
  4. Verify the integrity of the hybrid or electric system components to ensure they are not contributing to the fault in the drive motor control module.
  5. Clear the DTC from the vehicle's onboard computer system after completing the repair to reset the long-term memory of the control module.

Cost to Fix P1EB7

The typical repair costs for addressing a P1EB7 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for a drive motor control module replacement can range from $300 to $800, while labor costs can add an additional $100 to $200. Overall, you can expect to pay anywhere from $400 to $1000 for resolving this issue. It's important to note that these estimates are rough approximations, and actual costs may vary based on factors such as location, vehicle make and model, and labor rates at the auto repair shop. Make sure to consult with a qualified mechanic to get a more accurate cost estimate for your specific situation.

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Code P1EB7 Information for Specific Makes

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 P1EB7 Code

1. What does the OBDII code P1EB7 mean?

P1EB7 indicates that the Drive Motor 2 Control Module has detected an issue with its long-term memory reset process, typically related to the hybrid or electric vehicle's motor control system.

2. What are the common symptoms of the P1EB7 code?

Symptoms may include the check engine light or hybrid system warning light turning on, reduced vehicle performance, or limited electric motor functionality.

3. What causes the P1EB7 code to appear?

The code can be triggered by a failed memory reset after a software update, a malfunctioning drive motor control module, or issues with the vehicle's battery control system.

4. Can driving with the P1EB7 code cause further damage?

Yes, continuing to drive with this code active could lead to reduced performance or further damage to the hybrid or electric motor system.

5. How is the P1EB7 code diagnosed?

A technician will use a scan tool to retrieve freeze frame data, check for related codes, inspect the Drive Motor 2 Control Module, and verify its memory reset functionality.

6. What repairs are needed to fix the P1EB7 code?

Repairs may involve reprogramming or resetting the Drive Motor 2 Control Module, replacing the module if it’s faulty, or addressing any related electrical or battery system issues.

7. Can I clear the P1EB7 code myself?

Clearing the code without addressing the underlying issue is not recommended, as it may reappear. Professional diagnosis is advised for proper resolution.

8. Is the P1EB7 code specific to certain vehicles?

Yes, this code is typically found in hybrid or electric vehicles that use a Drive Motor 2 Control Module, such as certain GM or Chevrolet models.

9. How much does it cost to repair the P1EB7 code?

The cost can vary widely depending on the root cause, ranging from $100 for a software reset to over $1,000 if the control module needs replacement.

10. Can a weak or failing battery cause the P1EB7 code?

Yes, issues with the high-voltage or auxiliary battery can interfere with the control module’s memory reset process, potentially triggering this code.

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