P1AF8 Chevrolet Code - Drive Motor 1 Control Module Shutdown Performance
Quick Answer
The drive motor generator Power Inverter Control Module (PIM) contains two Motor Control Modules (MCMs) and the Hybrid Powertrain Control Module (HPCM). Common causes include Faulty Drive Motor Generator, Drive Motor Generator harness is open or shorted, Drive Motor Generator 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
- P1AF8 Chevrolet indicates Drive Motor 1 Control Module Shutdown Performance.
- Common causes
- Common causes include Faulty Drive Motor Generator, Drive Motor Generator harness is open or shorted, Drive Motor Generator 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 P1AF8 Chevrolet Description
When high voltage is enabled, each MCM supplies its respective drive motor generator with just enough current to energize the magnetic field even when no motor generator torque is required. The MCM monitors the phase current sensors for this minimal current to ensure the drive motor phase circuits are functioning properly.
What are the Possible Causes of the DTC P1AF8 Chevrolet?
- Faulty Drive Motor Generator
- Drive Motor Generator harness is open or shorted
- Drive Motor Generator circuit poor electrical connection
How to Fix the DTC P1AF8 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 P1AF8 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 P1AF8 Chevrolet Code
1. What does the OBDII code P1AF8 mean on a Chevrolet?
The P1AF8 code indicates an issue with the Drive Motor 1 Control Module Shutdown Performance, typically found in hybrid or electric vehicles.
2. What are the common symptoms of a P1AF8 code?
Symptoms may include reduced performance, warning lights on the dashboard (such as a Check Engine or EV system light), and potential failure of the vehicle to operate in electric mode.
3. What causes the P1AF8 code on a Chevrolet?
Common causes include faults in the drive motor control module, damaged wiring or connectors, software glitches, or issues with the high-voltage battery system.
4. Is it safe to drive with a P1AF8 code?
It’s not recommended to drive with this code, as it may lead to reduced power, further damage to the hybrid/electric system, or a complete loss of propulsion.
5. How can I diagnose the P1AF8 code?
Diagnosis involves using a scan tool to verify the code, inspecting wiring and connectors for damage, testing the drive motor control module, and checking for any related software updates.
6. How do you fix the P1AF8 code on a Chevrolet?
Repairs may include replacing or reprogramming the drive motor control module, repairing damaged wiring, addressing high-voltage system issues, or updating the vehicle’s software.
7. Can a software update fix the P1AF8 code?
Yes, in some cases, a software update from the manufacturer may resolve the issue if it’s related to a programming error.
8. What tools are needed to troubleshoot the P1AF8 code?
You will need an advanced OBDII scanner capable of reading hybrid or EV-specific codes, a multimeter for testing electrical components, and access to Chevrolet’s repair manuals.
9. Will clearing the code fix the P1AF8 issue?
Clearing the code may temporarily turn off the warning light, but the underlying issue must be resolved to prevent the code from returning.
10. How much does it cost to repair a P1AF8 code?
Repair costs vary depending on the cause but can range from $200 for minor wiring repairs to over $1,000 if the drive motor control module needs replacement.
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