AutoCodes – GMC – P01CE 2016 GMC Sierra

P01CE 2016 GMC Sierra Code - Cylinder 2 Injection Timing Advanced

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: P01CE 2016 GMC Sierra indicates Cylinder 2 Injection Timing Advanced.
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 152

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 P01CE 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 P01CE 2016 GMC Sierra - Cylinder 2 Injection Timing Advanced - AutoCodes.com — P01CE 2016 GMC Sierra Code - Cylinder 2 Injection Timing Advanced

What does this mean?

What are the Possible Causes of the DTC P01CE 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 P01CE 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 P01CE 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 P01CE 2016 GMC Sierra code?

Need more information on how to fix the P01CE 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P01CE 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 P01CE 2016 GMC Sierra Code

1. What does the OBDII code P01CE mean on a 2016 GMC Sierra?

P01CE indicates that the Engine Control Module (ECM) has detected that the fuel injection timing for cylinder 2 is advanced beyond the expected range.

2. What are the common symptoms of code P01CE in a 2016 GMC Sierra?

Symptoms may include rough idling, poor engine performance, reduced fuel efficiency, engine misfires, and an illuminated check engine light.

3. What causes the P01CE code in a 2016 GMC Sierra?

Common causes include a faulty fuel injector, a malfunctioning fuel injection timing solenoid, wiring or connector issues, or a problem with the ECM itself.

4. Can I drive my 2016 GMC Sierra with the P01CE code?

Driving with this code is not recommended, as it may lead to engine damage, reduced performance, or further issues if not addressed promptly.

5. How is the P01CE code diagnosed in a 2016 GMC Sierra?

A mechanic will use an OBDII scanner to confirm the code, inspect the fuel injector and related components, check wiring and connectors, and perform further tests on the fuel injection system.

6. How do I fix the P01CE code on my 2016 GMC Sierra?

Repairs may include replacing the faulty fuel injector, repairing damaged wiring or connectors, addressing timing solenoid issues, or reprogramming the ECM.

7. What is the cost to repair the P01CE code on a 2016 GMC Sierra?

Repair costs vary widely but may range from $150 to $500 or more, depending on the specific cause and whether parts like the fuel injector or timing solenoid need replacement.

8. Can a dirty fuel injector cause the P01CE code on a 2016 GMC Sierra?

Yes, a dirty or clogged fuel injector can disrupt the injection timing and trigger this code.

9. Will clearing the P01CE code with a scanner fix the issue?

Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

10. How can I prevent the P01CE code from occurring again in my 2016 GMC Sierra?

Regular maintenance, including cleaning or replacing fuel injectors, inspecting wiring, and keeping the fuel system in good condition, can help prevent recurrence.