AutoCodesGMC – P06D2 2017 GMC Sierra

P06D2 2017 GMC Sierra Code - 5V Reference 5 Circuit

Quick Answer

The Engine Control Module (ECM) has four (5) internal 5 Volt reference circuits (Some models have two (2) internal 5 Volt reference circuits). Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt 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
P06D2 2017 GMC Sierra indicates 5V Reference 5 Circuit.
Common causes
Common causes include Faulty Sensor on 5 Volt circuit, Sensor on 5 Volt circuit harness is open or shorted, Sensor on 5 Volt 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 181
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 P06D2 2017 GMC Sierra Description

The Engine Control Module (ECM) has four (5) internal 5 Volt reference circuits (Some models have two (2) internal 5 Volt reference circuits). Each internal reference circuit provides external 5 Volt reference circuits for more than one sensor. A short to ground or short to voltage on one external 5 Volt reference circuit can affect all the components connected to the same internal 5 Volt reference circuit. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage or ground on any of the 5 Volt reference circuits for greater than 0.5 s.
OBDII Code P06D2 2017 GMC Sierra - 5V Reference 5 Circuit - AutoCodes.com
P06D2 2017 GMC Sierra Code - 5V Reference 5 Circuit

What are the Possible Causes of the DTC P06D2 2017 GMC Sierra?

  • Faulty Sensor on 5 Volt circuit
  • Sensor on 5 Volt circuit harness is open or shorted
  • Sensor on 5 Volt circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P06D2 2017 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 P06D2 2017 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 P06D2 2017 GMC Sierra code?

Need more information on how to fix the P06D2 2017 GMC Sierra 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 P06D2 2017 GMC Sierra Code

What does the OBDII code P06D2 mean for a 2017 GMC Sierra?

The P06D2 code indicates an issue with the 5V Reference 5 Circuit, which supplies a stable 5V signal to various engine sensors.

What are the common symptoms of code P06D2 in a 2017 GMC Sierra?

Symptoms may include a check engine light, poor engine performance, erratic sensor readings, and possible stalling or hesitation during acceleration.

What causes the P06D2 code on a 2017 GMC Sierra?

Common causes include a short or open in the 5V reference circuit, a failed sensor, damaged wiring, or a malfunctioning Engine Control Module (ECM).

Can I drive my 2017 GMC Sierra with the P06D2 code?

It is not recommended to drive for extended periods, as the issue can cause engine performance problems and may lead to further damage if unresolved.

How do I diagnose the P06D2 code on my 2017 GMC Sierra?

Start by inspecting the wiring and connectors for damage or corrosion. Then, check the sensors using the 5V reference circuit and test the ECM for proper output.

Which sensors rely on the 5V reference circuit in a 2017 GMC Sierra?

The 5V reference circuit typically powers sensors like the throttle position sensor, manifold absolute pressure sensor, and fuel pressure sensor.

How much does it cost to fix a P06D2 code on a 2017 GMC Sierra?

Repairs can range from $50 for wiring fixes to $500 or more if the ECM or a sensor needs replacement.

Can a dead battery cause the P06D2 code on a 2017 GMC Sierra?

A weak or dead battery may not directly cause this code but can trigger related electrical issues that affect the 5V reference circuit.

How can I prevent the P06D2 code from recurring in my 2017 GMC Sierra?

Regularly inspect and maintain wiring, connectors, and sensors, and address any electrical issues promptly to avoid circuit failures.

Will clearing the code with a scanner fix the P06D2 issue?

Clearing the code will turn off the check engine light temporarily, but it won’t resolve the underlying problem causing the fault.

Discuss the causes and fixes for P06D2 2017 GMC Sierra OBDII Code

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