P10E3 2015 GMC Sierra Code - Ignition On/Start Circuit Source Bypass Relay Control Circuit High Voltage
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
- P10E3 2015 GMC Sierra indicates Ignition On/Start Circuit Source Bypass Relay Control Circuit High Voltage.
- 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.
Code P10E3 2015 GMC Sierra Description
What are the Possible Causes of the DTC P10E3 2015 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 P10E3 2015 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 P10E3 2015 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.
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Frequently Asked Questions about P10E3 2015 GMC Sierra Code
1. What does the OBDII code P10E3 mean on a 2015 GMC Sierra?
The code P10E3 indicates an issue with the Ignition On/Start Circuit Source Bypass Relay Control Circuit, specifically detecting high voltage when it should not be present.
2. What are the common symptoms of a P10E3 code in a 2015 GMC Sierra?
Symptoms may include difficulty starting the engine, intermittent no-start conditions, or the check engine light being illuminated.
3. What causes a P10E3 code to be triggered?
Common causes include a faulty ignition relay, damaged wiring or connectors in the bypass relay circuit, or an issue with the powertrain control module (PCM).
4. Can I drive my 2015 GMC Sierra with a P10E3 code?
While the vehicle may still be drivable, ignoring the code could lead to starting issues or further electrical damage. It's best to address the problem promptly.
5. How do you diagnose a P10E3 code on a GMC Sierra?
Diagnosis typically involves checking the ignition bypass relay, inspecting the wiring and connectors for damage or corrosion, and testing the circuit for high voltage with a multimeter.
6. How can I fix the P10E3 code on my 2015 GMC Sierra?
Repairs may include replacing a faulty ignition relay, repairing damaged wiring or connectors, or, in rare cases, reprogramming or replacing the PCM.
7. How much does it cost to fix a P10E3 code on a GMC Sierra?
Costs can vary depending on the cause, ranging from $50-$150 for replacing a relay to $500 or more if the PCM requires replacement or programming.
8. Can a weak battery cause the P10E3 code to appear?
While unlikely, a weak or fluctuating battery voltage could potentially affect circuit performance and lead to related codes. Testing the battery is a good starting point.
9. Is the P10E3 code a common issue in 2015 GMC Sierras?
This is not a particularly common code, but it can occur in cases of electrical wear, aging components, or wiring issues.
10. Should I clear the P10E3 code after repairs?
Yes, clearing the code with a scan tool after repairs will reset the system and allow you to monitor if the issue has been resolved.
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