P0273 2015 GMC Sierra Code - Cylinder 5 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 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5. 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
- P0273 2015 GMC Sierra indicates Cylinder 5 Injector Control Circuit Low Voltage.
- Common causes
- Common causes include Dirty Fuel Injector 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5.
- 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 P0273 2015 GMC Sierra Description
What are the Possible Causes of the DTC P0273 2015 GMC Sierra?
- Dirty Fuel Injector 5
- Faulty Fuel Injector 5
- Plugged Fuel Injector 5
- Fuel injector 5 harness is open or shorted
- Fuel injector 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0273 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0273 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 P0273 2015 GMC Sierra Code
1. What does the OBDII code P0273 mean on a 2015 GMC Sierra?
P0273 indicates a low voltage issue in the injector control circuit for cylinder 5 in your GMC Sierra.
2. What are the common symptoms of code P0273 in a 2015 GMC Sierra?
Symptoms include rough idling, misfires, reduced engine performance, poor fuel economy, and possible illumination of the check engine light.
3. What causes the P0273 code in a 2015 GMC Sierra?
Common causes include a faulty fuel injector, damaged wiring or connectors in the injector circuit, a malfunctioning PCM, or a poor ground connection.
4. Can I drive my 2015 GMC Sierra with the P0273 code?
Driving with this code is not recommended as it can cause further engine damage or poor performance. It’s best to address the issue promptly.
5. How do I diagnose the P0273 code on my 2015 GMC Sierra?
Diagnosis involves inspecting the injector wiring and connectors, testing the resistance of the fuel injector, and checking for proper voltage and ground at the injector.
6. How is the P0273 code fixed on a 2015 GMC Sierra?
Repairs may involve replacing the faulty fuel injector, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to fix the P0273 code on a 2015 GMC Sierra?
Costs vary depending on the specific repair but can range from $150 to $500 or more, depending on whether the fuel injector or PCM needs replacement.
8. Can a dirty fuel injector cause the P0273 code on a 2015 GMC Sierra?
While a dirty injector might not directly cause low voltage, it can contribute to performance issues. However, this code typically points to an electrical problem.
9. What tools are needed to troubleshoot the P0273 code on a 2015 GMC Sierra?
You’ll need a multimeter to test voltage and resistance, an OBDII scanner to read and clear codes, and possibly a wiring diagram for the injector circuit.
10. Will clearing the P0273 code fix the problem on a 2015 GMC Sierra?
Clearing the code will remove it temporarily, but if the underlying issue isn’t addressed, the code will return.
Discuss the causes and fixes for P0273 2015 GMC Sierra OBDII Code
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