P1248 2017 Chevrolet Silverado Code - Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit
Quick Answer
The P1248 code on a 2017 Chevrolet Silverado indicates that there is a problem with the Injector 1 Positive Voltage Control Circuit being shorted to the Control Circuit. Common causes include Short circuit in the 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 2017 Chevrolet Silverado indicates Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Short circuit in the 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 2017 Chevrolet Silverado Description
The P1248 code on a 2017 Chevrolet Silverado indicates that there is a problem with the Injector 1 Positive Voltage Control Circuit being shorted to the Control Circuit. In simpler terms, this means that there is an issue with the electrical circuit 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. When this circuit is shorted, it can lead to improper fuel delivery, which can affect the engine's performance and efficiency.
Common Causes of P1248 2017 Chevrolet Silverado
- Short circuit in the wiring harness
- Faulty fuel injector
- Issues with the Engine Control Module (ECM)
- Poor connection in the circuit
- Corrosion or damage to the electrical components
Symptoms of P1248 2017 Chevrolet Silverado
- Engine misfires
- Rough idling
- Reduced power
- Poor fuel economy
- Engine stalling or failure to start
How to Fix P1248 2017 Chevrolet Silverado
- Begin by conducting a thorough inspection of the wiring harness, connectors, and fuel injector for any signs of damage or corrosion.
- Use a multimeter to test the continuity and resistance of the circuit to identify any short circuits.
- Replace any damaged wiring, connectors, or fuel injector as needed.
- Clear the diagnostic trouble codes from the vehicle's ECM using a scan tool.
- Test drive the vehicle to ensure that the issue has been resolved and that the engine is running smoothly.
Cost to Fix P1248 2017 Chevrolet Silverado
The typical repair costs for addressing a P1248 code on a 2017 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to check local rates for a more accurate estimate.
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Frequently Asked Questions about P1248 2017 Chevrolet Silverado Code
What does OBDII code P1248 mean in a 2017 Chevrolet Silverado?
P1248 indicates that the Injector 1 Positive Voltage Control Circuit is shorted to the control circuit, which can disrupt the proper operation of the fuel injector.
What are the common symptoms of code P1248?
Symptoms include rough idling, engine misfires, reduced fuel efficiency, poor acceleration, or the engine failing to start.
What causes code P1248 in a 2017 Chevrolet Silverado?
Common causes include damaged or shorted wiring in the injector circuit, a faulty injector, a failed ECM (Engine Control Module), or loose electrical connections.
Can I still drive my Silverado with code P1248?
Driving with this code is not recommended as it may cause engine performance issues and further damage to the injector system or other components.
How do I diagnose code P1248?
Diagnosis involves inspecting the wiring and connectors for damage or shorts, testing the injector with a multimeter, and checking the ECM for proper functionality.
What tools are needed to fix code P1248?
Common tools include a multimeter, OBDII scanner, wiring diagram for the injector circuit, and basic hand tools for repair or replacement.
How is code P1248 repaired?
Repairs may involve replacing or repairing damaged wiring, replacing the faulty injector, ensuring all connections are secure, or reprogramming or replacing the ECM if necessary.
How much does it cost to fix code P1248?
The cost varies depending on the issue, ranging from $50–$200 for minor wiring repairs to $300–$800 or more for injector or ECM replacement.
Can a dirty fuel injector cause code P1248?
No, this code specifically points to an electrical issue, not a clog or mechanical failure of the injector.
Will clearing the code with a scanner fix P1248?
Clearing the code may temporarily remove the warning, but the underlying issue must be repaired to prevent the code from returning.
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