P0A3F 2017 Chevrolet Silverado Code - Drive Motor Position Sensor Circuit
Quick Answer
The generator control module, also called the starter/generator control module, is comprised of the following three control modules: the hybrid/EV powertrain control module 1, 14 V power module, and the drive motor control module. Common causes include Faulty Starter/Generator, Starter/Generator harness is open or shorted, Starter/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
- P0A3F 2017 Chevrolet Silverado indicates Drive Motor Position Sensor Circuit.
- Common causes
- Common causes include Faulty Starter/Generator, Starter/Generator harness is open or shorted, Starter/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 P0A3F 2017 Chevrolet Silverado Description
The generator control module monitors the angular position, speed, and direction of the starter generator rotor based upon the signals of the resolver-type motor position sensor. The position sensor contains a drive coil, two driven coils, and an irregular-shaped metallic rotor. The metallic rotor is mechanically attached to the shaft of the starter generator.
At ignition ON, an AC voltage, 10 kHz excitation signal is output to the drive coil. The drive coil excitation signal creates a magnetic field surrounding the two driven coils and the irregular-shaped rotor. The generator control module then monitors the two driven coil circuits for a return signal. The position of the irregular metallic rotor causes the magnetically induced return signals of the driven coils to vary in size and shape. A comparison of the two driven coils signals allows the generator control module to determine the exact position, speed, and direction of the starter generator rotor. The position sensor is a non-serviceable part of the starter generator.
What are the Possible Causes of the DTC P0A3F 2017 Chevrolet Silverado?
- Faulty Starter/Generator
- Starter/Generator harness is open or shorted
- Starter/Generator circuit poor electrical connection
- Faulty Starter/Generator Control Module
How to Fix the DTC P0A3F 2017 Chevrolet Silverado?
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 P0A3F 2017 Chevrolet Silverado 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 P0A3F 2017 Chevrolet Silverado code?
Need more information on how to fix the P0A3F 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0A3F 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0A3F 2017 Chevrolet Silverado Code
1. What does the OBDII code P0A3F mean on a 2017 Chevrolet Silverado?
P0A3F indicates an issue with the Drive Motor Position Sensor Circuit, which monitors the position of the motor for proper operation in hybrid or electric systems.
2. What are the common symptoms of a P0A3F code on a Chevy Silverado?
Symptoms may include the vehicle entering limp mode, reduced power, illuminated check engine light, or irregular motor operation.
3. What causes the P0A3F code to appear?
Common causes include a faulty drive motor position sensor, damaged wiring or connectors in the sensor circuit, or issues with the hybrid/EV control module.
4. Can I continue driving my 2017 Chevrolet Silverado with a P0A3F code?
It's not recommended to drive for extended periods, as this code can lead to reduced performance and potential damage to the hybrid or electric drivetrain.
5. How do I fix the P0A3F code on my Silverado?
Repairs may involve replacing the drive motor position sensor, repairing damaged wiring, or reprogramming the hybrid control module.
6. How is the P0A3F code diagnosed?
A technician will use a scan tool to read the code, inspect the wiring and connectors, and test the drive motor position sensor for proper function.
7. Is the P0A3F code specific to hybrid or electric Silverados?
Yes, this code typically applies to hybrid or electric models since it relates to the drive motor position sensor in the electric drivetrain.
8. How much does it cost to fix a P0A3F code on a 2017 Chevy Silverado?
The cost varies but may range from $200 to $800 depending on whether the sensor needs replacement or if there are wiring issues.
9. Can a software update fix the P0A3F code?
In some cases, a software update to the hybrid/EV control module may resolve the issue if it’s related to a programming error.
10. What tools are needed to troubleshoot a P0A3F code?
Tools include an OBDII scanner, a multimeter for testing wiring and connections, and possibly a factory service manual for reference.
Discuss the causes and fixes for P0A3F 2017 Chevrolet Silverado OBDII Code
Code P0A3F 2017 Chevrolet Silverado 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.
