P1248 2017 Chevrolet Silverado Code - Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit
Quick Answer
The Engine Control Module (ECM) supplies voltage to each fuel injector on the injector high voltage supply circuits. Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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
- P1248 2017 Chevrolet Silverado indicates Injector 1 Positive Voltage Control Circuit Shorted to Control Circuit.
- Common causes
- Common causes include Faulty Fuel Injector 1, Fuel Injector 1 harness is open or shorted, Fuel Injector 1 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 P1248 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1248 2017 Chevrolet Silverado?
- Faulty 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 P1248 2017 Chevrolet Silverado?
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 P1248 2017 Chevrolet Silverado 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.
Need more information about the P1248 2017 Chevrolet Silverado code?
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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.
Discuss the causes and fixes for P1248 2017 Chevrolet Silverado OBDII Code
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