P0261 2016 GMC Sierra Code - Cylinder 1 Injector Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to each Fuel Injector on the high control circuits. Common causes include Dirty Fuel Injector 1, Faulty Fuel Injector 1, Plugged 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
- P0261 2016 GMC Sierra indicates Cylinder 1 Injector Control Circuit Low Voltage.
- Common causes
- Common causes include Dirty Fuel Injector 1, Faulty Fuel Injector 1, Plugged 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.
Code P0261 2016 GMC Sierra Description
What are the Possible Causes of the DTC P0261 2016 GMC Sierra?
- Dirty Fuel Injector 1
- Faulty Fuel Injector 1
- Plugged Fuel Injector 1
- Fuel Injector #1 harness is open or shorted
- Fuel Injector #1 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0261 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0261 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 P0261 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code P0261 in a 2016 GMC Sierra?
- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and the Check Engine light being illuminated.
2. What does the OBDII code P0261 "Cylinder 1 Injector Control Circuit Low Voltage" mean for a 2016 GMC Sierra?
- This code indicates that there is a low voltage condition detected in the control circuit of the fuel injector for cylinder 1.
3. What are the potential causes of OBDII code P0261 in a 2016 GMC Sierra?
- Possible causes include a faulty fuel injector for cylinder 1, wiring issues in the injector circuit, a poor electrical connection, or a problem with the Engine Control Module (ECM).
4. How can I diagnose the cause of OBDII code P0261 in my 2016 GMC Sierra?
- Diagnosis typically involves checking the injector wiring for any damage, testing the fuel injector for proper operation, inspecting the electrical connections, and scanning the ECM for any related fault codes.
5. Can I still drive my 2016 GMC Sierra with OBDII code P0261?
- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and affect the vehicle's performance.
6. How can I repair OBDII code P0261 in my 2016 GMC Sierra?
- Repairs may involve replacing the fuel injector for cylinder 1, repairing any damaged wiring or connections, and clearing the trouble codes with a scan tool.
7. Are there any DIY tips for fixing OBDII code P0261 in a 2016 GMC Sierra?
- While some basic checks like inspecting the wiring and connections can be done by DIY enthusiasts, it is recommended to have a professional technician diagnose and repair the issue to ensure proper resolution.
8. How much does it typically cost to fix OBDII code P0261 in a 2016 GMC Sierra?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
9. Will resetting the trouble codes make OBDII code P0261 go away in a 2016 GMC Sierra?
- Resetting the trouble codes may temporarily clear the Check Engine light, but if the underlying issue causing code P0261 is not fixed, the code is likely to reappear after driving the vehicle.
10. Can a 2016 GMC Sierra pass an emissions test with OBDII code P0261 present?
- No, a vehicle with an active OBDII fault code like P0261 is likely to fail an emissions test, as the code indicates a problem with the fuel injector control circuit, which can affect emissions performance.
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