P1103 2016 GMC Sierra Code - Water In Fuel Signal Message Counter Incorrect
Quick Answer
The P1103 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that the Water In Fuel Signal Message Counter is Incorrect. Common causes include Water contamination in the fuel tank, Faulty water in fuel sensor, Wiring or electrical issues related to the sensor. 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 2016 GMC Sierra indicates Water In Fuel Signal Message Counter Incorrect.
- Common causes
- Common causes include Water contamination in the fuel tank, Faulty water in fuel sensor, Wiring or electrical issues related to the sensor.
- 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 P1103 2016 GMC Sierra Description
The P1103 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that the Water In Fuel Signal Message Counter is Incorrect. This code is typically associated with the vehicle's fuel system, specifically the water in fuel sensor. The water in fuel sensor is responsible for detecting the presence of water in the fuel system, which can be detrimental to the engine's performance and overall operation.
Common Causes of P1103 2016 GMC Sierra
- Water contamination in the fuel tank
- Faulty water in fuel sensor
- Wiring or electrical issues related to the sensor
- Corrosion or damage to the sensor
- Fuel filter clogged with water or debris
Symptoms of P1103 2016 GMC Sierra
- Check engine light illuminated on the dashboard
- Reduced engine performance or power
- Rough idling or engine misfires
- Decreased fuel efficiency
- Difficulty starting the engine
How to Fix P1103 2016 GMC Sierra
- Diagnose the issue by using a scan tool to retrieve the trouble code and inspect the water in fuel sensor for any visible damage or corrosion.
- Drain and clean the fuel tank to remove any water or contaminants.
- Replace the water in fuel sensor if it is faulty or damaged.
- Inspect and replace the fuel filter if it is clogged with water or debris.
- Clear the trouble code from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1103 2016 GMC Sierra
The cost of repairing a P1103 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the repair for this issue can range from $150 to $400, including the cost of a new water in fuel sensor and any additional parts or labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain a detailed estimate from a trusted mechanic before proceeding with the repair.
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Frequently Asked Questions about P1103 2016 GMC Sierra Code
1. What does the OBDII code P1103 mean on a 2016 GMC Sierra?
Code P1103 indicates that the Water In Fuel (WIF) signal message counter is incorrect or not functioning as expected.
2. What are the symptoms of code P1103 in a 2016 GMC Sierra?
Common symptoms include a warning light on the dashboard, reduced engine performance, and potential fuel contamination issues.
3. What causes the P1103 code to appear in a GMC Sierra?
The code is typically caused by a faulty WIF sensor, wiring issues, a contaminated fuel filter, or incorrect software calibration.
4. Can driving with the P1103 code damage my 2016 GMC Sierra?
Driving with this code may lead to engine damage if water in the fuel is not addressed, as it can harm fuel system components.
5. How do I fix the P1103 code on my GMC Sierra?
Inspect and replace the WIF sensor if faulty, check wiring connections for damage, and replace the fuel filter if contaminated.
6. How can I tell if my WIF sensor is bad?
A bad WIF sensor may give erratic readings, trigger the P1103 code, or fail to detect water in the fuel.
7. How much does it cost to repair a P1103 code on a 2016 GMC Sierra?
Repair costs vary, but replacing the WIF sensor typically costs $50-$150, while addressing wiring or further diagnostics may increase costs.
8. Can a dirty fuel filter cause the P1103 code?
Yes, a dirty or contaminated fuel filter can lead to water detection issues and trigger the P1103 code.
9. Do I need to reprogram my truck after fixing the P1103 code?
In some cases, clearing the code and updating the vehicle’s software may be necessary after resolving the issue.
10. How can I prevent the P1103 code from recurring?
Regularly maintain the fuel system, use high-quality fuel, replace fuel filters as recommended, and ensure proper WIF sensor function.
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