AutoCodes – Generic – P1A52

P1A52 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 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 1,086

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 Aug 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1A52 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 - Drive Motor 2 Control Module Not Programmed - AutoCodes.com — P1A52 Code - Drive Motor 2 Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1A52?

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?

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 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 code?

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

Need Help with the Code?

Get the P1A52 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1A52 Buick — Drive Motor 2 Control Module Not Programmed
P1A52 Cadillac — Drive Motor 2 Control Module Not Programmed
P1A52 Chevrolet — Drive Motor 2 Control Module Not Programmed
P1A52 GMC — Drive Motor 2 Control Module Not Programmed

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 Code

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

- Common symptoms include the inability to start the vehicle, reduced power output, and warning lights on the dashboard.

2. What causes OBDII code P1A52 to appear?

- This code typically appears when the drive motor 2 control module has not been properly programmed or initialized during installation or replacement.

3. How can I diagnose OBDII code P1A52?

- Diagnosis involves using an OBDII scanner to read the code, checking for other related codes, and inspecting the drive motor 2 control module for proper programming.

4. Can I still drive my vehicle with OBDII code P1A52 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety issues.

5. How can I repair OBDII code P1A52?

- The repair typically involves reprogramming or initializing the drive motor 2 control module using manufacturer-specific software or tools.

6. Is it possible to reset OBDII code P1A52 by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but it will likely reappear until the underlying issue of the control module not being programmed is addressed.

7. Can a DIY enthusiast fix OBDII code P1A52 at home?

- While some DIY enthusiasts may have the skills and tools to reprogram the control module, it is recommended to consult a professional technician for this repair to ensure proper programming.

8. Will OBDII code P1A52 cause permanent damage to the vehicle if left unresolved?

- Ignoring this code can potentially lead to further damage to the drive motor system and other related components, so it is best to address it promptly.

9. How long does it typically take to reprogram the drive motor 2 control module to resolve OBDII code P1A52?

- The reprogramming process can vary depending on the vehicle make and model, but it usually takes around 30 minutes to an hour for a professional technician to complete.

10. Are there any preventive measures to avoid OBDII code P1A52 in the future?

- To prevent this code from reoccurring, ensure that any drive motor control module replacements or installations are done correctly and programmed according to the manufacturer's specifications.