P1103 2017 Chevrolet Silverado Code - Water In Fuel Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Water In Fuel Sensor, Water In Fuel Sensor harness is open or shorted, Water In Fuel Sensor 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
- P1103 2017 Chevrolet Silverado indicates Water In Fuel Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Water In Fuel Sensor, Water In Fuel Sensor harness is open or shorted, Water In Fuel Sensor 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 P1103 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1103 2017 Chevrolet Silverado?
- Faulty Water In Fuel Sensor
- Water In Fuel Sensor harness is open or shorted
- Water In Fuel Sensor circuit poor electrical connection
How to Fix the DTC P1103 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 P1103 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.
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Frequently Asked Questions about P1103 2017 Chevrolet Silverado Code
1. What does the OBDII code P1103 mean on a 2017 Chevrolet Silverado?
The P1103 code indicates that the Water In Fuel Signal Message Counter is incorrect, which may suggest an issue with the water-in-fuel sensor or its communication with the vehicle's computer.
2. What are the common symptoms of code P1103 on a 2017 Chevrolet Silverado?
Symptoms may include a "Water in Fuel" warning message, poor engine performance, reduced fuel efficiency, or difficulty starting the engine.
3. What causes the P1103 code to appear in a 2017 Chevrolet Silverado?
The most common causes include a faulty water-in-fuel sensor, contaminated fuel, damaged wiring or connectors in the sensor circuit, or a software issue in the engine control module (ECM).
4. Can driving with the P1103 code damage my 2017 Chevrolet Silverado?
Driving with this code may not cause immediate damage, but ignoring water contamination in the fuel can lead to severe engine or fuel system damage.
5. How do I diagnose the P1103 code on my Silverado?
Start by checking for water contamination in the fuel, inspecting the water-in-fuel sensor, and examining the wiring and connectors for damage or corrosion.
6. How can I fix the P1103 code on my 2017 Chevrolet Silverado?
Repairs may involve draining and replacing contaminated fuel, replacing the water-in-fuel sensor, repairing damaged wiring, or updating the ECM software if needed.
7. How do I check for water in my Silverado’s fuel system?
Drain a small amount of diesel fuel from the fuel filter housing into a clear container and look for water separation at the bottom of the fuel.
8. What tools are needed to troubleshoot the P1103 code?
You may need an OBDII scanner, a multimeter to check electrical connections, and basic tools to inspect and possibly replace the water-in-fuel sensor.
9. Does the P1103 code require immediate attention?
Yes, it’s important to address it promptly to prevent long-term damage to the fuel system or engine caused by water contamination.
10. Can a software update fix the P1103 code on a 2017 Silverado?
In some cases, a software update for the ECM may resolve the issue, especially if the problem is related to incorrect signal interpretation rather than a hardware failure.
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