P1ADD Chevrolet Code - Drive Motor 2 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
- P1ADD Chevrolet indicates Drive Motor 2 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.
Code P1ADD Chevrolet Description
What are the Possible Causes of the DTC P1ADD 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 P1ADD 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 P1ADD 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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Frequently Asked Questions about P1ADD Chevrolet Code
1. What does the OBDII code P1ADD mean on a Chevrolet?
P1ADD indicates an issue with the Drive Motor 2 Control Module's long-term memory performance, suggesting stored data or calibration issues.
2. What are common symptoms of the P1ADD code on a Chevrolet?
Symptoms may include the check engine light turning on, reduced vehicle performance, or irregularities in electric drive motor functionality.
3. What causes the P1ADD code to appear?
This code is typically caused by corrupted data in the Drive Motor 2 Control Module, software glitches, power interruptions, or a failing control module.
4. Can a low voltage battery cause the P1ADD code?
Yes, a low or failing 12V battery can lead to memory corruption in the control module, triggering this code.
5. How is the P1ADD code diagnosed?
A technician uses a scan tool to verify the code, inspects the electrical system, checks the control module for updates, and confirms any memory-related issues.
6. Can I drive my Chevrolet with the P1ADD code active?
Driving is possible, but it’s not recommended as it may affect motor performance and cause further damage to the control module.
7. How is the P1ADD code fixed?
Fixes may include reprogramming or recalibrating the control module, replacing the module if necessary, or addressing electrical system issues.
8. Does the P1ADD code require software updates?
In many cases, updating the Drive Motor 2 Control Module software can resolve the issue by fixing memory-related errors.
9. What tools are needed to fix the P1ADD code?
A professional-grade scan tool with reprogramming capabilities is required to diagnose and address this code accurately.
10. How much does it cost to repair the P1ADD code on a Chevrolet?
Repair costs vary but typically range from $150 to $500, depending on whether the module needs reprogramming or replacement.
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