AutoCodes – Chevrolet – P1A52 Chevrolet

P1A52 Chevrolet 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 Chevrolet 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 867

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 Chevrolet 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 Chevrolet - Drive Motor 2 Control Module Not Programmed - AutoCodes.com — P1A52 Chevrolet Code - Drive Motor 2 Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1A52 Chevrolet?

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 Chevrolet?

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 Chevrolet 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.

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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 Chevrolet Code

What does the OBDII code P1A52 mean for a Chevrolet vehicle?

The code P1A52 indicates that the Drive Motor 2 Control Module is not programmed, which can affect the vehicle's electric drive system.

What symptoms might indicate a P1A52 code is present?

Common symptoms include warning lights on the dashboard, reduced power or performance, and potential issues with the vehicle's hybrid or electric drive system.

What could cause the P1A52 code to trigger?

Possible causes include a faulty or unprogrammed Drive Motor 2 Control Module, failed software updates, or issues with the vehicle's battery management system.

Can I continue to drive my Chevrolet if the P1A52 code is active?

It is not advisable to drive the vehicle as it may lead to reduced performance and could potentially cause further damage to the drive system.

How can I diagnose the P1A52 code?

Use an OBD-II scanner to confirm the code and check for any additional codes. Inspect the wiring and connectors related to the Drive Motor 2 Control Module.

What repairs are typically needed to fix the P1A52 code?

Repairs may involve programming the Drive Motor 2 Control Module, replacing a faulty module, or updating the vehicle's software.

Is it necessary to visit a dealership to resolve a P1A52 code?

While some repairs can be performed by independent mechanics, programming the control module often requires specialized equipment typically found at dealerships.

How can I prevent the P1A52 code from reoccurring?

Regular maintenance, ensuring software is updated, and addressing any electrical issues promptly can help prevent the P1A52 code from returning.

What should I do if Iâ€™ve cleared the P1A52 code but it keeps coming back?

If the code reoccurs after being cleared, itâ€™s important to have the vehicle diagnosed by a professional to identify underlying issues that may not be immediately apparent.