AutoCodes – Generic – P1ADC

P1ADC Code - Drive Motor 1 Control Module Long Term Memory Performance

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: P1ADC indicates Drive Motor 1 Control Module Long Term Memory Performance.
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 2,650

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 P1ADC 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 P1ADC - Drive Motor 1 Control Module Long Term Memory Performance - AutoCodes.com — P1ADC Code - Drive Motor 1 Control Module Long Term Memory Performance

What does this mean?

What are the Possible Causes of the DTC P1ADC?

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 P1ADC?

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 P1ADC 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 P1ADC code?

Need more information on how to fix the P1ADC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1ADC code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1ADC Buick — Drive Motor 1 Control Module Long Term Memory Performance
P1ADC Cadillac — Drive Motor 1 Control Module Long Term Memory Performance
P1ADC Chevrolet — Drive Motor 1 Control Module Long Term Memory Performance
P1ADC GMC — Drive Motor 1 Control Module Long Term Memory Performance

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 P1ADC Code

1. What are the common symptoms of OBDII code P1ADC Drive Motor 1 Control Module Long Term Memory Performance?

- Common symptoms include reduced engine performance, poor fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P1ADC?

- The code P1ADC can be triggered by issues such as a faulty drive motor control module, wiring issues, or software malfunctions.

3. How can I diagnose the cause of OBDII code P1ADC?

- Diagnosing the cause of code P1ADC typically involves using a diagnostic scanner to read the code, checking the drive motor control module for faults, and inspecting related wiring for any damage.

4. Can a DIYer repair OBDII code P1ADC at home?

- Repairing code P1ADC may require specialized tools and knowledge, so it is recommended to consult with a professional mechanic for proper diagnosis and repair.

5. What are some repair tips for fixing OBDII code P1ADC?

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

6. Is it safe to continue driving with OBDII code P1ADC present?

- It is not recommended to continue driving with code P1ADC present, as it can lead to further damage to the drive motor control system and potentially affect the vehicle's performance.

7. How much does it typically cost to repair OBDII code P1ADC?

- The cost of repairing code P1ADC can vary depending on the underlying issue, but it may involve diagnostic fees, parts replacement costs, and labor charges.

8. Can resetting the OBDII system clear code P1ADC?

- Resetting the OBDII system may temporarily clear the code, but it is important to address the underlying issue causing code P1ADC to prevent it from reoccurring.

9. Are there any preventative measures to avoid OBDII code P1ADC?

- Regular vehicle maintenance, such as checking for loose wiring and keeping the drive motor control module updated, can help prevent code P1ADC from occurring.

10. How serious is OBDII code P1ADC Drive Motor 1 Control Module Long Term Memory Performance?

- While the seriousness of the code may vary, it is important to address it promptly to avoid potential damage to the drive motor control system and ensure optimal vehicle performance.