AutoCodes – Chevrolet – P1A4F Chevrolet

P1A4F Chevrolet Code - Drive Motor 1 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: P1A4F Chevrolet indicates Drive Motor 1 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 914

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 P1A4F 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 P1A4F Chevrolet - Drive Motor 1 Control Module Not Programmed - AutoCodes.com — P1A4F Chevrolet Code - Drive Motor 1 Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1A4F 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 P1A4F 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 P1A4F 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 P1A4F Chevrolet Code

What are the common symptoms of OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed?

- Common symptoms include the check engine light illuminating, decreased fuel efficiency, loss of power, and potential drivability issues.

What can cause the OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed?

- This code can be caused by a faulty drive motor control module, issues with the software programming, wiring problems, or a communication breakdown between modules.

How can I diagnose the OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, checking the wiring and connections related to the drive motor control module, and verifying the software programming of the module.

What are the repair options for OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed?

- Repair options may include reprogramming the drive motor control module, replacing a faulty module, repairing any wiring issues, or addressing communication problems between modules.

Can I drive my Chevrolet with the OBDII code P1A4F for Drive Motor 1 Control Module Not Programmed?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions. Seek diagnosis and repair as soon as possible.

How much does it typically cost to repair the OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed?

- Repair costs can vary depending on the exact cause of the issue, but you can expect to pay anywhere from $100 to $500 for diagnosis and repairs related to this code.

Is the OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed a common issue?

- This code is not as common as some other OBDII codes, but it can occur in Chevrolet vehicles with drive motor control module issues or programming errors.

Can I reset the OBDII code P1A4F for Chevrolet Drive Motor 1 Control Module Not Programmed by disconnecting the battery?

- While disconnecting the battery may temporarily clear the code, it is not a recommended long-term solution. It's best to address the underlying issue causing the code to prevent it from reoccurring.