P10E3 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P10E3 2016 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 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 P10E3 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.
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Frequently Asked Questions about P10E3 2016 GMC Sierra Code
1. What does the OBDII code P10E3 mean on a 2016 GMC Sierra?
P10E3 indicates a high voltage condition in the Ignition On/Start Circuit Source Bypass Relay Control Circuit, which is responsible for managing power during the starting process.
2. What are the common symptoms of code P10E3 on a 2016 GMC Sierra?
Symptoms may include difficulty starting the vehicle, intermittent stalling, a no-start condition, or the check engine light being illuminated.
3. What causes the P10E3 code to appear on a 2016 GMC Sierra?
Common causes include a faulty bypass relay, damaged wiring or connectors in the circuit, a malfunctioning powertrain control module (PCM), or corrosion at electrical connections.
4. Can I drive my 2016 GMC Sierra with the P10E3 code?
Driving with this code is not recommended, as it can lead to starting issues or sudden stalling, potentially leaving you stranded.
5. How can I diagnose the P10E3 code on my 2016 GMC Sierra?
Diagnosis involves checking the bypass relay, inspecting the wiring and connectors for damage or corrosion, and testing the circuit voltage using a multimeter.
6. What repairs are needed to fix the P10E3 code on a 2016 GMC Sierra?
Repairs may include replacing the bypass relay, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to repair the P10E3 code on a 2016 GMC Sierra?
Repair costs vary, but replacing a relay may cost $50-$100, while addressing wiring issues or PCM replacement could range from $200 to $1,000 depending on labor and parts.
8. Can a dead battery cause the P10E3 code on a 2016 GMC Sierra?
A weak or dead battery may not directly cause the code but can exacerbate electrical issues, potentially triggering related faults in the circuit.
9. How can I prevent the P10E3 code from occurring in my 2016 GMC Sierra?
Regularly inspect and maintain your vehicle’s electrical system, ensure connections are clean and secure, and replace faulty relays or components promptly.
10. Do I need a professional mechanic to fix the P10E3 code on my 2016 GMC Sierra?
While some repairs, like replacing a relay, can be done by experienced DIYers, diagnosing and fixing complex wiring or PCM issues is best left to a professional mechanic.
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