AutoCodesGMC – P10E1 2017 GMC Sierra

P10E1 2017 GMC Sierra Code - Ignition On/Start Circuit Source Bypass Relay Control Circuit

Quick Answer

The Engine Control Module (ECM) contains a microprocessor used to process input data to control outputs. Common causes include Faulty Engine Control Module Wake-Up Relay, Engine Control Module Wake-Up Relay harness is open or shorted, Engine Control Module Wake-Up Relay 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
P10E1 2017 GMC Sierra indicates Ignition On/Start Circuit Source Bypass Relay Control Circuit.
Common causes
Common causes include Faulty Engine Control Module Wake-Up Relay, Engine Control Module Wake-Up Relay harness is open or shorted, Engine Control Module Wake-Up Relay 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 260
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 11, 2022
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Code P10E1 2017 GMC Sierra Description

The Engine Control Module (ECM) contains a microprocessor used to process input data to control outputs. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly. Relays are used to control a high-power circuit with a low power signal. The output circuit is switched to the ground to activate the component. The Diagnostic Trouble Code (DTC) will be set when the Control Circuit is open for greater than 1 s.
OBDII Code P10E1 2017 GMC Sierra - Ignition On/Start Circuit Source Bypass Relay Control Circuit - AutoCodes.com
P10E1 2017 GMC Sierra Code - Ignition On/Start Circuit Source Bypass Relay Control Circuit

What are the Possible Causes of the DTC P10E1 2017 GMC Sierra?

  • Faulty Engine Control Module Wake-Up Relay
  • Engine Control Module Wake-Up Relay harness is open or shorted
  • Engine Control Module Wake-Up Relay circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P10E1 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 P10E1 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 P10E1 2017 GMC Sierra code?

Need more information on how to fix the P10E1 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 P10E1 2017 GMC Sierra Code

1. What does the OBDII code P10E1 mean on a 2017 GMC Sierra?

P10E1 refers to an issue with the Ignition On/Start Circuit Source Bypass Relay Control Circuit, indicating a fault in how the vehicle's relay manages power during start-up.

2. What are the symptoms of a P10E1 code on a 2017 GMC Sierra?

Common symptoms include difficulty starting the engine, intermittent no-start conditions, or the vehicle not cranking at all.

3. What causes the P10E1 code to appear on a 2017 GMC Sierra?

Potential causes include a faulty ignition relay, damaged wiring in the control circuit, a blown fuse, or an issue with the engine control module (ECM).

4. Can I drive my 2017 GMC Sierra with a P10E1 code?

Driving with this code is not recommended, as it may lead to intermittent starting issues and leave you stranded if the vehicle fails to start.

5. How do I diagnose the P10E1 code on a 2017 GMC Sierra?

Start by inspecting the ignition relay, fuses, and wiring for damage or loose connections. Use a multimeter to check for proper voltage and continuity in the circuit.

6. How can I fix the P10E1 code on a 2017 GMC Sierra?

Repairs may involve replacing a faulty ignition relay, repairing damaged wiring, replacing a blown fuse, or reprogramming or replacing the ECM if necessary.

7. What tools are needed to troubleshoot the P10E1 code?

You’ll need an OBDII scanner, a multimeter to test voltage and continuity, and potentially wiring diagrams specific to the Sierra's ignition system.

8. How much does it cost to repair a P10E1 code on a 2017 GMC Sierra?

Costs vary depending on the issue. Replacing an ignition relay or fuse may cost $20–$50, while ECM repair or replacement could exceed $500, including labor.

9. Can a weak battery cause the P10E1 code on a 2017 GMC Sierra?

Yes, a weak or failing battery can cause voltage fluctuations that trigger this code. Ensure the battery is fully charged and in good condition.

10. Should I clear the P10E1 code after repairs on my 2017 GMC Sierra?

Yes, after completing repairs, clear the code using an OBDII scanner. Monitor the system to ensure the issue does not return.

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