P1248 2016 GMC Sierra Code - Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit
Quick Answer
The P1248 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a short circuit between the positive voltage control circuit and the control circuit of injector 1. Common causes include Damaged or corroded wiring harness, Faulty fuel injector, Issues with the engine control module (ECM). 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
- P1248 2016 GMC Sierra indicates Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Damaged or corroded wiring harness, Faulty fuel injector, Issues with the engine control module (ECM).
- 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 P1248 2016 GMC Sierra Description
The P1248 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a short circuit between the positive voltage control circuit and the control circuit of injector 1. In simpler terms, this means that there is an electrical issue in the wiring that controls the fuel injector for cylinder 1. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber at the right time, ensuring proper engine performance.
Common Causes of P1248 2016 GMC Sierra
- Damaged or corroded wiring harness
- Faulty fuel injector
- Issues with the engine control module (ECM)
- Poor connection in the circuit
- Electrical short circuit
Symptoms of P1248 2016 GMC Sierra
- Rough idling
- Engine misfires
- Decreased fuel efficiency
- Poor acceleration
- Engine stalling
How to Fix P1248 2016 GMC Sierra
- Begin by conducting a thorough visual inspection of the wiring harness and connections related to injector 1.
- Use a multimeter to test the continuity and resistance of the wiring to identify any short circuits or open circuits.
- Test the fuel injector for proper operation and replace it if necessary.
- Check the engine control module (ECM) for any fault codes and address any issues related to its operation.
- Clear the DTC and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P1248 2016 GMC Sierra
The cost of repairing a P1248 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as a new fuel injector or wiring harness can range from $100 to $500. Labor costs at an auto repair shop typically range from $80 to $150 per hour, and the total repair time may vary depending on the complexity of the issue. Therefore, the total cost of repairing this code could range from $200 to $1000 or more, including parts and labor. It is advisable to consult with a professional mechanic to get an accurate estimate based on your specific vehicle and location.
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Frequently Asked Questions about P1248 2016 GMC Sierra Code
What does the OBDII code P1248 mean on a 2016 GMC Sierra?
P1248 indicates that the Injector 1 Positive Voltage Control Circuit has a short to the control circuit, affecting the operation of the fuel injector.
What are the common symptoms of code P1248 in a 2016 GMC Sierra?
Symptoms may include engine misfire, rough idling, reduced power, poor fuel economy, or the Check Engine Light illuminating.
What causes the P1248 code to appear on a 2016 GMC Sierra?
Common causes include damaged wiring or connectors in the injector circuit, a faulty fuel injector, or a malfunctioning engine control module (ECM).
Can I drive my 2016 GMC Sierra with the P1248 code?
Driving with this code is not recommended as it can lead to poor engine performance, potential damage to other components, and increased emissions.
How do I diagnose a P1248 code on a 2016 GMC Sierra?
Start by inspecting the injector wiring and connectors for damage or corrosion, test the injector for proper resistance, and check for shorts or opens in the circuit.
What tools are needed to fix the P1248 code on a 2016 GMC Sierra?
A diagnostic scanner, multimeter, and wiring diagram are essential tools for diagnosing and repairing this issue.
How can I fix the P1248 code on my 2016 GMC Sierra?
Repairs may involve repairing or replacing damaged wiring, cleaning or replacing the injector connector, or replacing the faulty fuel injector.
Is a faulty ECM a common cause for the P1248 code?
While possible, a faulty ECM is less common. The issue is more likely related to wiring, connectors, or the injector itself.
How much does it cost to fix the P1248 code on a 2016 GMC Sierra?
Repair costs vary depending on the issue but can range from $150 to $500, including diagnostics and parts.
Can a P1248 code cause long-term damage to my 2016 GMC Sierra?
If left unresolved, it can lead to further engine performance issues, additional injector failures, or damage to catalytic converters.
Discuss the causes and fixes for P1248 2016 GMC Sierra OBDII Code
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