AutoCodes – GMC – P1ADC GMC

P1ADC GMC Code - Drive Motor 1 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
P1ADC GMC indicates Drive Motor 1 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 1,026
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 P1ADC 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 P1ADC GMC - Drive Motor 1 Control Module Long Term Memory Performance - AutoCodes.com
P1ADC GMC Code - Drive Motor 1 Control Module Long Term Memory Performance

What are the Possible Causes of the DTC P1ADC 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 P1ADC 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 P1ADC 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 P1ADC GMC code?

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Need Help with the Code?

Get the P1ADC 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 P1ADC GMC Code

1. What are common symptoms of OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Common symptoms include reduced engine performance, poor fuel efficiency, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Possible causes may include a faulty drive motor control module, issues with the electrical connections, software glitches, or internal control module failures.

3. How can I diagnose OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking for any related symptoms, and conducting a thorough inspection of the drive motor control module and its connections.

4. What repairs are commonly needed for OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Common repairs may involve replacing the drive motor control module, repairing any damaged wiring or connections, updating software if necessary, or performing a reset of the control module.

5. Can I drive my vehicle with OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- It is not recommended to drive your vehicle with this code, as it can lead to further damage and potential safety issues. It's best to address the underlying problem promptly.

6. Is OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance a serious issue?

- While it may not always result in immediate breakdown, ignoring this code can lead to long-term engine performance issues and potential damage. It's advisable to address it as soon as possible.

7. Can a DIY enthusiast fix OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Depending on the root cause, some DIY repairs may be possible, such as checking and cleaning electrical connections. However, complex issues may require professional diagnosis and repair.

8. How much does it cost to repair OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Repair costs can vary significantly based on the specific cause and required repairs. It's advisable to obtain quotes from reputable mechanics or service centers.

9. Are there any preventative measures to avoid OBDII code P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance?

- Regular maintenance and prompt addressing of any engine performance issues can help prevent this code. Ensuring proper electrical connections and software updates can also be beneficial.

10. Will resetting the OBDII system clear the P1ADC GMC Drive Motor 1 Control Module Long Term Memory Performance code?

- While resetting the system may temporarily clear the code, it is important to diagnose and address the underlying issue to prevent the code from reappearing.

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