AutoCodes – GMC – P01CF 2016 GMC Sierra

P01CF 2016 GMC Sierra Code - Cylinder 3 Injection Timing Retarded

Quick Answer

The Engine Control Module (ECM) has the ability to learn injector timing performance. Common causes include Fuel Type Incorrect, Fuel Contaminated/Poor Quality, Faulty Fuel Injector 1. 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: P01CF 2016 GMC Sierra indicates Cylinder 3 Injection Timing Retarded.
Common causes: Common causes include Fuel Type Incorrect, Fuel Contaminated/Poor Quality, Faulty Fuel Injector 1.
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 151

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 22, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P01CF 2016 GMC Sierra Description

The Engine Control Module (ECM) has the ability to learn injector timing performance. When the engine is at operating temperature, throttle closed and in deceleration fuel cut-off mode, the ECM will pulse each injector individually and measure the changes in rotational speed of the crankshaft using the input from the crankshaft position sensor. The ECM will run this diagnostic at one fuel rail pressure operating point for each injector. The ECM stores the injector timing value. The Diagnostic Trouble Code (DTC) will be set when the Fuel Injection Timing is out of range.

OBDII Code P01CF 2016 GMC Sierra - Cylinder 3 Injection Timing Retarded - AutoCodes.com — P01CF 2016 GMC Sierra Code - Cylinder 3 Injection Timing Retarded

What does this mean?

What are the Possible Causes of the DTC P01CF 2016 GMC Sierra?

Fuel Type Incorrect
Fuel Contaminated/Poor Quality
Faulty Fuel Injector 1
Fuel Injector 1 harness is open or shorted
Fuel Injector 1 circuit poor electrical connection
Engine Mechanical Problem

How to Fix the DTC P01CF 2016 GMC Sierra?

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 P01CF 2016 GMC Sierra 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 P01CF 2016 GMC Sierra code?

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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 P01CF 2016 GMC Sierra Code

What does the OBDII code P01CF mean for a 2016 GMC Sierra?

P01CF indicates that the injection timing for cylinder 3 is retarded, meaning the fuel injector is not firing at the correct time during the engine cycle.

What are common symptoms of the P01CF code in a 2016 GMC Sierra?

Symptoms may include rough idling, reduced engine performance, misfires, poor fuel efficiency, or the check engine light being illuminated.

What causes the P01CF code in a GMC Sierra?

Common causes include a malfunctioning fuel injector for cylinder 3, wiring issues, a faulty engine control module (ECM), or timing problems related to the camshaft or crankshaft sensors.

How do you diagnose the P01CF code on a 2016 GMC Sierra?

Diagnosis typically involves using an OBDII scanner to confirm the code, inspecting cylinder 3’s fuel injector, checking the wiring and connectors, and testing related sensors such as the camshaft or crankshaft position sensor.

Can I drive my 2016 GMC Sierra with the P01CF code?

Driving with this code is not recommended as it can cause engine performance issues, increase fuel consumption, and potentially lead to more serious damage.

How is the P01CF code fixed in a GMC Sierra?

Repairs may include replacing the fuel injector for cylinder 3, repairing or replacing damaged wiring, updating or reprogramming the ECM, or addressing timing-related issues with the sensors.

How much does it cost to fix the P01CF code in a 2016 GMC Sierra?

Repair costs vary but can range from $150 to $500 depending on whether parts like the fuel injector or sensors need replacement. Labor costs may also affect the total price.

Can a dirty fuel injector cause the P01CF code?

Yes, a dirty or clogged fuel injector can cause timing issues for cylinder 3 and trigger the P01CF code. Cleaning or replacing the injector may resolve the issue.

What tools are needed to troubleshoot the P01CF code?

You’ll need an OBDII scanner, a multimeter for electrical testing, and possibly specialized tools to remove and inspect the fuel injector and sensors.

Will resetting the check engine light clear the P01CF code?

Resetting the light may temporarily clear the code, but if the underlying issue isn’t resolved, the code will likely return after a short time.