AutoCodes – Chevrolet – P15AF 2016 Chevrolet Silverado

P15AF 2016 Chevrolet Silverado Code - Fuel Injector Control Module System Voltage High Voltage

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Fuel Injector Control Module, Fuel Injector Control Module harness is open or shorted, Fuel Injector 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
P15AF 2016 Chevrolet Silverado indicates Fuel Injector Control Module System Voltage High Voltage.
Common causes
Common causes include Faulty Fuel Injector Control Module, Fuel Injector Control Module harness is open or shorted, Fuel Injector 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 393
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 23, 2022
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Code P15AF 2016 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Diagnostic Trouble Code (DTC) will be set when the Fuel Injector Control Module detects a system voltage below or above a threshold.
OBDII Code P15AF 2016 Chevrolet Silverado - Fuel Injector Control Module System Voltage High Voltage - AutoCodes.com
P15AF 2016 Chevrolet Silverado Code - Fuel Injector Control Module System Voltage High Voltage

What are the Possible Causes of the DTC P15AF 2016 Chevrolet Silverado?

  • Faulty Fuel Injector Control Module
  • Fuel Injector Control Module harness is open or shorted
  • Fuel Injector Control Module circuit poor electrical connection

How to Fix the DTC P15AF 2016 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 P15AF 2016 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 P15AF 2016 Chevrolet Silverado code?

Need more information on how to fix the P15AF 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P15AF 2016 Chevrolet Silverado Code

What does the OBDII code P15AF mean on a 2016 Chevrolet Silverado?

P15AF indicates that the Fuel Injector Control Module (FICM) has detected a high voltage condition in its system.

What are common symptoms of the P15AF code in a 2016 Chevy Silverado?

Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting the engine, or the Check Engine Light being illuminated.

What causes the P15AF code to appear on a 2016 Chevrolet Silverado?

Potential causes include a faulty Fuel Injector Control Module (FICM), damaged or shorted wiring, a failing battery, or issues with the alternator or charging system.

Can a bad battery trigger the P15AF code?

Yes, a weak or failing battery can cause voltage irregularities that may trigger the P15AF code.

How do you diagnose the P15AF code?

Diagnosis involves checking the battery and alternator, inspecting FICM wiring for damage or corrosion, and testing the FICM for proper voltage regulation using a multimeter.

Is it safe to drive a 2016 Chevrolet Silverado with the P15AF code?

Driving with the P15AF code is not recommended, as it can lead to further engine or electrical system damage.

How do you fix the P15AF code on a 2016 Chevy Silverado?

Repairs may involve replacing the Fuel Injector Control Module, repairing or replacing damaged wiring, or addressing issues with the battery or alternator.

How much does it cost to repair the P15AF code?

Repair costs vary but may range from $100 for minor wiring repairs to over $1,000 if the FICM needs replacement.

Can resetting the code fix the P15AF issue?

Resetting the code without addressing the root cause will not fix the issue, and the code is likely to return.

Does the P15AF code affect fuel injectors directly?

The code indicates a voltage issue in the Fuel Injector Control Module, which can indirectly impact fuel injector performance.

Discuss the causes and fixes for P15AF 2016 Chevrolet Silverado OBDII Code

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