AutoCodes – GMC – P1A50 GMC

P1A50 GMC Code - Drive Motor 1 Control Module Random Access Memory

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
P1A50 GMC indicates Drive Motor 1 Control Module Random Access Memory.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 920
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 P1A50 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 P1A50 GMC - Drive Motor 1 Control Module Random Access Memory - AutoCodes.com
P1A50 GMC Code - Drive Motor 1 Control Module Random Access Memory

What are the Possible Causes of the DTC P1A50 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 P1A50 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 P1A50 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 P1A50 GMC code?

Need more information on how to fix the P1A50 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A50 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 P1A50 GMC Code

1. What are common symptoms of OBDII code P1A50 in a GMC related to the Drive Motor 1 Control Module Random Access Memory?

Symptoms may include poor acceleration, loss of power, reduced fuel efficiency, and the illumination of the check engine light.

2. What are possible causes of OBDII code P1A50 GMC indicating issues with the Drive Motor 1 Control Module Random Access Memory?

Causes may include a faulty control module, electrical connection issues, software glitches, or a malfunctioning drive motor.

3. How can I diagnose the OBDII code P1A50 in my GMC related to the Drive Motor 1 Control Module Random Access Memory?

Diagnosis typically involves using a diagnostic scanner to retrieve the trouble code and then inspecting the control module, electrical connections, and drive motor for any visible issues.

4. What are some repair tips for addressing OBDII code P1A50 GMC associated with the Drive Motor 1 Control Module Random Access Memory?

Repair tips may include checking and repairing any loose or damaged electrical connections, updating the control module software, or replacing the drive motor if necessary.

5. Is it safe to continue driving my GMC with the OBDII code P1A50 related to the Drive Motor 1 Control Module Random Access Memory?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

6. Can resetting the OBDII code P1A50 in my GMC fix the problem related to the Drive Motor 1 Control Module Random Access Memory?

Resetting the code may temporarily clear the check engine light, but it will not fix the underlying issue causing the fault code. Proper diagnosis and repair are necessary.

7. How much does it typically cost to repair OBDII code P1A50 GMC associated with the Drive Motor 1 Control Module Random Access Memory?

The cost of repair can vary depending on the specific cause of the issue. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Are there any preventative maintenance steps I can take to avoid encountering OBDII code P1A50 in my GMC related to the Drive Motor 1 Control Module Random Access Memory?

Regular maintenance, such as keeping electrical connections clean and secure, following the manufacturer's recommended service schedule, and addressing any issues promptly, can help prevent this code from appearing.

9. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P1A50 GMC related to the Drive Motor 1 Control Module Random Access Memory?

While some simple repairs like checking connections can be done by DIY enthusiasts, diagnosing and repairing complex issues related to this code may require professional expertise and specialized tools.

10. How long does it typically take to repair OBDII code P1A50 in a GMC caused by the Drive Motor 1 Control Module Random Access Memory?

The repair time can vary depending on the specific cause of the issue and the complexity of the repair. It is best to consult a mechanic for a more accurate estimate of the repair duration.

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