AutoCodes – GMC – P1ADD GMC

P1ADD GMC Code - Drive Motor 2 Control Module Long Term Memory Performance

Quick Answer

The drive motor control modules are internal to the Power Inverter Module, often referred to as the drive motor-generator Power Inverter Module, and are not serviced separately. Common causes include Faulty Power Inverter Module (PIM), Power Inverter Module (PIM) harness is open or shorted, Power Inverter Module (PIM) 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
P1ADD GMC indicates Drive Motor 2 Control Module Long Term Memory Performance.
Common causes
Common causes include Faulty Power Inverter Module (PIM), Power Inverter Module (PIM) harness is open or shorted, Power Inverter Module (PIM) 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 991
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 03, 2020
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Code P1ADD GMC Description

The drive motor control modules are internal to the Power Inverter Module, often referred to as the drive motor-generator Power Inverter Module, and are not serviced separately. This fault is handled inside the drive motor control modules and no external circuits are involved. The Diagnostic Trouble Code (DTC) will set when the Power Inverter Module has detected an internal malfunction, or a service module has been installed but not yet programmed.
OBDII Code P1ADD GMC - Drive Motor 2 Control Module Long Term Memory Performance - AutoCodes.com
P1ADD GMC Code - Drive Motor 2 Control Module Long Term Memory Performance

What are the Possible Causes of the DTC P1ADD GMC?

  • Faulty Power Inverter Module (PIM)
  • Power Inverter Module (PIM) harness is open or shorted
  • Power Inverter Module (PIM) circuit poor electrical connection

How to Fix the DTC P1ADD GMC?

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 P1ADD GMC 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 P1ADD GMC code?

Need more information on how to fix the P1ADD GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1ADD GMC code diagnosed by a professional: Find a repair shop in your area

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 P1ADD GMC Code

1. What are the common symptoms of the OBDII code P1ADD in a GMC related to Drive Motor 2 Control Module Long Term Memory Performance?

Symptoms may include reduced engine performance, difficulty starting the vehicle, and the illumination of the Check Engine Light.

2. What are some possible causes of the OBDII code P1ADD GMC Drive Motor 2 Control Module Long Term Memory Performance?

Potential causes may include issues with the drive motor control module, faulty wiring or connectors, software glitches, or a damaged drive motor.

3. How can I diagnose the OBDII code P1ADD related to Drive Motor 2 Control Module Long Term Memory Performance in my GMC?

Diagnosis typically involves using an OBDII scanner to retrieve the fault code, inspecting the drive motor control module and related components for damage, and testing the wiring for continuity.

4. Can I continue driving my GMC if the OBDII code P1ADD Drive Motor 2 Control Module Long Term Memory Performance is present?

It is not recommended to drive the vehicle with this code as it can lead to further damage and decreased performance. It's best to address the issue promptly.

5. Are there any DIY repair tips for fixing the OBDII code P1ADD GMC Drive Motor 2 Control Module Long Term Memory Performance?

DIY repair may involve checking and cleaning the connectors, ensuring proper wiring connections, and resetting the fault code using an OBDII scanner. However, complex issues may require professional assistance.

6. How much does it typically cost to repair the OBDII code P1ADD Drive Motor 2 Control Module Long Term Memory Performance in a GMC?

Repair costs can vary depending on the underlying issue, parts needed, and labor rates. It's advisable to get a diagnostic from a qualified mechanic for an accurate estimate.

7. Can a faulty drive motor cause the OBDII code P1ADD related to Drive Motor 2 Control Module Long Term Memory Performance?

Yes, a damaged or malfunctioning drive motor can trigger this fault code as it may affect the performance and communication with the control module.

8. How long does it usually take to repair the OBDII code P1ADD GMC Drive Motor 2 Control Module Long Term Memory Performance?

The repair time can vary based on the specific issue and the expertise of the technician. It's best to consult with a professional to get an estimate of the repair duration.

9. Is the OBDII code P1ADD GMC Drive Motor 2 Control Module Long Term Memory Performance a serious issue?

While it may not cause immediate safety concerns, ignoring this code can lead to further damage and potential drivability issues. It's advisable to address it promptly.

10. Can resetting the OBDII code P1ADD related to Drive Motor 2 Control Module Long Term Memory Performance solve the issue permanently?

Resetting the code may temporarily clear the Check Engine Light, but if the underlying problem persists, the code is likely to return. It's crucial to diagnose and fix the root cause for a permanent solution.

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