U1491 Dodge Code - Implausible Fuel Level 2 Signal Received
Quick Answer
The Diagnostic Trouble Code (DTC) will set if the Module receives an implausible or Signal Not Available (SNA) fuel level message from the Body Control Module (BCM). Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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
- U1491 Dodge indicates Implausible Fuel Level 2 Signal Received.
- Common causes
- Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body Control Module 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 U1491 Dodge Description
What are the Possible Causes of the DTC U1491 Dodge?
- Faulty Body Control Module (BCM)
- Body Control Module harness is open or shorted
- Body Control Module circuit poor electrical connection
- Faulty Instrument Cluster
How to Fix the DTC U1491 Dodge?
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 U1491 Dodge 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 U1491 Dodge Code
1. What are the common symptoms of OBDII code U1491 in a Dodge related to an implausible fuel level 2 signal received?
- The common symptoms include inaccurate fuel level readings on the dashboard, a fluctuating fuel gauge, and potential issues with fuel delivery.
2. What are the possible causes of the OBDII code U1491 in a Dodge indicating an implausible fuel level 2 signal?
- The code may be triggered by a faulty fuel level sensor, wiring issues, a defective instrument cluster, or a problem with the powertrain control module (PCM).
3. How can I diagnose the OBDII code U1491 in my Dodge for an implausible fuel level 2 signal?
- Diagnosing this code typically involves checking the fuel level sensor's wiring for damage, testing the sensor's resistance, and inspecting the instrument cluster for any malfunctions.
4. Can a bad fuel pump cause the OBDII code U1491 (Implausible Fuel Level 2 Signal Received) in a Dodge?
- While a faulty fuel pump can affect fuel delivery and cause related issues, it is not a direct cause of the U1491 code. Focus on checking the fuel level sensor and related components first.
5. What are some repair tips for fixing the OBDII code U1491 in a Dodge related to an implausible fuel level 2 signal?
- Start by checking and cleaning the fuel level sensor connectors, inspecting the wiring for any damage, and ensuring proper grounding. If needed, replace the sensor or repair any faulty wiring.
6. Is it safe to drive my Dodge with the OBDII code U1491 (Implausible Fuel Level 2 Signal Received) illuminated?
- It is generally safe to drive your vehicle with this code, but it is important to address the underlying issue promptly to avoid inaccurate fuel level readings and potential fuel delivery problems.
7. Can resetting the OBDII code U1491 in a Dodge fix the issue temporarily?
- Resetting the code may temporarily clear the warning light, but if the underlying problem persists, the code is likely to reappear. It is crucial to diagnose and repair the root cause for a lasting solution.
8. Is the OBDII code U1491 in a Dodge related to an implausible fuel level 2 signal a common issue?
- While not as common as some other OBDII codes, issues with fuel level sensors and signals can occur in Dodge vehicles, leading to the triggering of the U1491 code.
9. Can extreme temperatures or rough terrain trigger the OBDII code U1491 in a Dodge?
- Yes, extreme temperatures or rough terrain can potentially affect the fuel level sensor's performance, leading to erratic readings and triggering the U1491 code in some cases.
10. Should I take my Dodge to a professional mechanic for diagnosing and repairing the OBDII code U1491 related to an implausible fuel level 2 signal?
- If you are not familiar with diagnosing automotive electrical systems, it is recommended to seek the expertise of a professional mechanic to accurately diagnose and repair the issue triggering the U1491 code.
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