AutoCodes – GMC – P1A52 GMC

P1A52 GMC Code - Drive Motor 2 Control Module Not Programmed

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
P1A52 GMC indicates Drive Motor 2 Control Module Not Programmed.
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 833
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 P1A52 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 P1A52 GMC - Drive Motor 2 Control Module Not Programmed - AutoCodes.com
P1A52 GMC Code - Drive Motor 2 Control Module Not Programmed

What are the Possible Causes of the DTC P1A52 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 P1A52 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 P1A52 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 P1A52 GMC code?

Need more information on how to fix the P1A52 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A52 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 P1A52 GMC Code

1. What are common symptoms of OBDII code P1A52 GMC (Drive Motor 2 Control Module Not Programmed)?

The common symptoms include decreased engine performance, reduced fuel efficiency, and illuminated check engine light.

2. What can cause the OBDII code P1A52 GMC to trigger?

The code P1A52 GMC is typically triggered when the Drive Motor 2 Control Module is not properly programmed or initialized during installation or replacement.

3. How serious is the OBDII code P1A52 GMC?

While the vehicle may still be driveable with this code, it is important to address it promptly to prevent potential long-term damage to the drivetrain components.

4. How can I diagnose the OBDII code P1A52 GMC?

Diagnosis of this code usually involves using an OBDII scanner to retrieve the specific code, followed by checking the Drive Motor 2 Control Module for proper programming and installation.

5. Can I reset the OBDII code P1A52 GMC on my own?

You can attempt to clear the code using an OBDII scanner, but if the underlying issue of the Drive Motor 2 Control Module not being programmed persists, the code is likely to return.

6. What are the repair options for OBDII code P1A52 GMC?

The most common repair for this code is to reprogram or initialize the Drive Motor 2 Control Module using manufacturer-approved software and procedures.

7. Can I drive my vehicle with the OBDII code P1A52 GMC present?

It is generally not recommended to drive the vehicle with this code present for an extended period, as it may lead to further complications with the drivetrain.

8. How much does it cost to fix the OBDII code P1A52 GMC?

The cost of fixing this code can vary depending on the repair shop rates and whether any parts need to be replaced. It is advisable to get a few quotes from different mechanics.

9. Are there any DIY solutions for the OBDII code P1A52 GMC?

Unless you have experience with automotive diagnostics and programming, it is best to have a professional technician address the programming of the Drive Motor 2 Control Module.

10. How long does it take to repair the OBDII code P1A52 GMC?

The repair time can vary based on the extent of the programming needed and the availability of the necessary software. In most cases, the repair can be completed in a few hours at a qualified repair facility.

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