AutoCodesChevrolet – P06AF 2018 Chevrolet Silverado

P06AF 2018 Chevrolet Silverado Code - Torque Management System Performance Forced Engine Shutdown

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 Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator Control 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
P06AF 2018 Chevrolet Silverado indicates Torque Management System Performance Forced Engine Shutdown.
Common causes
Common causes include Faulty Starter/Generator Control Module, Starter/Generator Control Module harness is open or shorted, Starter/Generator Control 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.
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Code Popularity 323
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 20, 2022
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Code P06AF 2018 Chevrolet Silverado Description

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. These three control modules are non-serviceable and are part of the generator control module.
The hybrid/EV powertrain control module 1 monitors a state of health message that the ECM transmits to verify the ECM is functioning properly.
The Diagnostic Trouble Code (DTC) will be set when the Hybrid/EV Powertrain Control Module 1 does not detect a valid state of health message from the ECM.
OBDII Code P06AF 2018 Chevrolet Silverado - Torque Management System Performance Forced Engine Shutdown - AutoCodes.com
P06AF 2018 Chevrolet Silverado Code - Torque Management System Performance Forced Engine Shutdown

What are the Possible Causes of the DTC P06AF 2018 Chevrolet Silverado?

  • Faulty Starter/Generator Control Module
  • Starter/Generator Control Module harness is open or shorted
  • Starter/Generator Control Module circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P06AF 2018 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 P06AF 2018 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 P06AF 2018 Chevrolet Silverado code?

Need more information on how to fix the P06AF 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P06AF 2018 Chevrolet Silverado Code

What does OBDII code P06AF mean for a 2018 Chevrolet Silverado?

Code P06AF indicates an issue with the Torque Management System (TMS), specifically relating to a performance failure that can result in a forced engine shutdown.

What are the common symptoms of code P06AF in a 2018 Chevrolet Silverado?

Symptoms include the Check Engine Light turning on, reduced engine power, rough idling, stalling, or the engine shutting down unexpectedly.

What causes the P06AF code to appear on a 2018 Chevrolet Silverado?

Common causes include a faulty Engine Control Module (ECM), damaged wiring or connectors in the TMS circuit, software glitches, or issues with related sensors.

Can driving with code P06AF damage my 2018 Chevrolet Silverado?

Driving with this code can risk further damage to the engine or drivetrain components, especially if the engine shuts down unexpectedly while driving.

How is code P06AF diagnosed on a 2018 Chevrolet Silverado?

A technician will use an OBDII scanner to confirm the code, inspect the wiring and connectors in the TMS circuit, check for other related codes, and test the ECM’s functionality.

What repairs can fix code P06AF on a 2018 Chevrolet Silverado?

Repairs may include updating or reprogramming the ECM, replacing damaged wiring or connectors, repairing faulty sensors, or replacing the ECM if necessary.

How much does it cost to fix code P06AF on a 2018 Chevrolet Silverado?

The repair cost varies, ranging from $150 for minor wiring repairs to $1,000 or more if the ECM needs replacement.

Can a software update resolve code P06AF in a 2018 Chevrolet Silverado?

Yes, in some cases, a software update for the ECM can resolve the issue if it’s caused by a programming glitch.

Is code P06AF a common problem in 2018 Chevrolet Silverados?

While not extremely common, it can occur due to wear and tear or electrical issues over time in the Torque Management System.

Can I clear the P06AF code without fixing it on my 2018 Chevrolet Silverado?

Clearing the code without addressing the underlying issue may temporarily turn off the Check Engine Light, but the problem will likely return and could worsen.

Discuss the causes and fixes for P06AF 2018 Chevrolet Silverado OBDII Code

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