P1AE8 GMC Code - Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage
Quick Answer
The Drive Motor Generator Power Inverter Module contains two drive motor control modules. Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator Power Inverter Module 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
- P1AE8 GMC indicates Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit Low Voltage.
- Common causes
- Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator Power Inverter Module 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 P1AE8 GMC Description
-Hybrid powertrain control module
-Motor control module 1
-Motor control module 2
What are the Possible Causes of the DTC P1AE8 GMC?
- Faulty Drive Motor Generator Power Inverter Module
- Drive Motor Generator Power Inverter Module harness is open or shorted
- Drive Motor Generator Power Inverter Module circuit poor electrical connection
How to Fix the DTC P1AE8 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 P1AE8 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 P1AE8 GMC code?
Need more information on how to fix the P1AE8 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1AE8 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1AE8 GMC Code
1. What does the OBDII code P1AE8 mean on a GMC vehicle?
The P1AE8 code indicates a low voltage issue in the Drive Motor 1 Control Module Hybrid Battery Voltage Sense Circuit, which monitors the hybrid battery's voltage levels.
2. What are the symptoms of a P1AE8 code on a GMC?
Symptoms may include the hybrid system warning light, reduced fuel efficiency, limited hybrid functionality, or the vehicle operating only in gas engine mode.
3. What causes the P1AE8 code to appear?
Common causes include a faulty Drive Motor 1 Control Module, damaged wiring or connectors in the hybrid battery voltage sense circuit, or a failing hybrid battery.
4. Can a bad hybrid battery trigger the P1AE8 code?
Yes, if the hybrid battery fails to provide adequate voltage or has internal issues, it can cause the P1AE8 code to appear.
5. How can I diagnose the P1AE8 code on my GMC?
Use an advanced OBDII scanner to read the code, inspect the wiring and connectors for damage, and test the hybrid battery and control module for proper voltage and operation.
6. Is it safe to drive with the P1AE8 code on my GMC?
Driving with this code can lead to reduced hybrid system performance, and it’s best to address the issue promptly to avoid further damage.
7. How do I fix the P1AE8 code on a GMC vehicle?
Repairs may include replacing damaged wiring, repairing or replacing the Drive Motor 1 Control Module, or servicing the hybrid battery.
8. Can a software update resolve the P1AE8 code?
In some cases, a software update for the hybrid control system may resolve communication or calibration issues causing the code.
9. What tools are needed to troubleshoot the P1AE8 code?
You’ll need an advanced OBDII scanner capable of reading hybrid system codes, a multimeter for testing voltage, and access to the vehicle’s wiring diagrams.
10. How much does it cost to repair a P1AE8 code on a GMC?
Costs can vary depending on the root cause, ranging from a few hundred dollars for wiring repairs to over $1,000 if the hybrid battery or control module needs replacement.
Discuss the causes and fixes for P1AE8 GMC OBDII Code
Code P1AE8 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
