P1248 2015 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 2015 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1248 2015 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 2015 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 2015 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.
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Frequently Asked Questions about P1248 2015 Chevrolet Silverado Code
1. What does the OBDII code P1248 mean on a 2015 Chevrolet Silverado?
P1248 indicates a problem in the Injector 1 Positive Voltage Control Circuit, specifically a short between the positive voltage and control circuit for fuel injector 1.
2. What are the common symptoms of code P1248 in a 2015 Chevrolet Silverado?
Symptoms may include rough idling, reduced engine performance, difficulty starting the engine, misfires on cylinder 1, and the check engine light being illuminated.
3. What causes the P1248 code to appear on a 2015 Chevrolet Silverado?
Potential causes include damaged or shorted wiring in the injector circuit, a faulty fuel injector, a malfunctioning engine control module (ECM), or corrosion or loose connections at the injector harness.
4. How can I diagnose the P1248 code on my 2015 Chevy Silverado?
Begin by inspecting the wiring and connectors on injector 1 for damage or corrosion. Use a multimeter to check for shorts or continuity issues in the circuit. If no issues are found, test the injector itself and the ECM.
5. Can a faulty fuel injector cause the P1248 code on a 2015 Silverado?
Yes, a faulty injector can cause this code if it has an internal short or is not functioning properly, disrupting the electrical circuit.
6. Is it safe to drive my 2015 Chevrolet Silverado with the P1248 code?
Driving with this code is not recommended as it may lead to poor engine performance, increased emissions, and potential damage to the engine or catalytic converter.
7. How do I fix the P1248 code on my 2015 Chevy Silverado?
Repairs may involve replacing damaged wiring, cleaning or replacing corroded connectors, replacing the faulty injector, or in rare cases, repairing or reprogramming the ECM.
8. What tools are needed to troubleshoot the P1248 code?
You may need a diagnostic scanner, a multimeter, wiring diagrams, and basic hand tools to inspect and test the injector circuit.
9. How much does it cost to repair the P1248 code on a 2015 Silverado?
Costs vary depending on the issue. Replacing a fuel injector typically costs $150–$300 for parts and labor, while wiring repairs may be less. ECM replacement or reprogramming can cost $500 or more.
10. Can extreme weather conditions cause the P1248 code to trigger?
Yes, extreme heat or moisture can cause wiring insulation to break down or connectors to corrode, potentially leading to this code.
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