AutoCodes – Generic – P1EB7

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

Quick Answer

This is an internal fault detection of the hybrid/EV powertrain control module 1. Common causes include Reprogram Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted. 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 Reprogram Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted.
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 1,299

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 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1EB7 Description

This is an internal fault detection of the hybrid/EV powertrain control module 1. The hybrid/EV powertrain control module is internal to the power inverter module, often referred to as the drive motor generator power inverter module and is not serviced separately. This fault is handled inside the power inverter module and no external circuits are involved.

OBDII Code P1EB7 - Drive Motor 2 Control Module Long Term Memory Reset - AutoCodes.com — P1EB7 Code - Drive Motor 2 Control Module Long Term Memory Reset

What does this mean?

What are the Possible Causes of the DTC P1EB7?

Reprogram Power Inverter Module
Faulty Power Inverter Module
Power Inverter Module harness is open or shorted
Power Inverter Module circuit poor electrical connection

How to Fix the DTC P1EB7?

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 P1EB7 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 P1EB7 code?

Need more information on how to fix the P1EB7 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1EB7 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1EB7 Buick — Drive Motor 2 Control Module Long Term Memory Reset
P1EB7 Cadillac — Drive Motor 2 Control Module Long Term Memory Reset
P1EB7 Chevrolet — Drive Motor 2 Control Module Long Term Memory Reset
P1EB7 GMC — Drive Motor 2 Control Module Long Term Memory Reset
P1EB7 Saturn — Drive Motor 2 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 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 itâ€™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 moduleâ€™s memory reset process, potentially triggering this code.