AutoCodes – Jeep – P1681 Jeep

P1681 Jeep Code - No Fuel Level Bus Message

Quick Answer

The no fuel level bus message is monitored with the ignition on. Common causes include Low fuel level, Faulty Instrument Cluster, Instrument Cluster harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1681 Jeep indicates No Fuel Level Bus Message.
Common causes: Common causes include Low fuel level, Faulty Instrument Cluster, Instrument Cluster harness is open or shorted.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 761

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1681 Jeep Description

The no fuel level bus message is monitored with the ignition on. The Diagnostic Trouble Code (DTC) will set if no fuel level BUS messages received by the Powertrain Control Module (PCM) for 20 seconds.

OBDII Code P1681 Jeep - No Fuel Level Bus Message - AutoCodes.com — P1681 Jeep Code - No Fuel Level Bus Message

What does this mean?

What are the Possible Causes of the DTC P1681 Jeep?

Low fuel level
Faulty Instrument Cluster
Instrument Cluster harness is open or shorted
Instrument Cluster circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1681 Jeep?

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 P1681 Jeep 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 P1681 Jeep code?

Need more information on how to fix the P1681 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1681 Jeep code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1681 Jeep Code

1. What are the common symptoms of OBDII code P1681 in a Jeep related to the "No Fuel Level Bus Message"?

- Common symptoms include erratic fuel gauge readings, fuel gauge not working at all, and the check engine light being illuminated.

2. What does the OBDII code P1681 in a Jeep indicate about the fuel level bus message?

- This code indicates that there is a communication issue between the fuel level sensor and the vehicle's onboard computer system.

3. What are some possible causes of the OBDII code P1681 in a Jeep triggering the "No Fuel Level Bus Message"?

- Possible causes include a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or a malfunctioning onboard computer system.

4. How can I diagnose the OBDII code P1681 in a Jeep related to the fuel level bus message?

- Diagnosing this code typically involves checking the fuel level sensor for proper operation, inspecting the wiring and connectors for damage, and using a diagnostic scanner to communicate with the vehicle's computer system.

5. What are some repair tips for resolving the OBDII code P1681 in a Jeep with the no fuel level bus message?

- Repair tips may include replacing the fuel level sensor if it is faulty, repairing any damaged wiring or connectors, and resetting the code using a diagnostic scanner after making the necessary repairs.

6. Can driving with the OBDII code P1681 related to the fuel level bus message cause any further damage to the vehicle?

- Driving with this code may not cause immediate damage, but it can lead to inaccurate fuel level readings and potential inconvenience due to not knowing the actual fuel level in the tank.

7. Is it safe to continue driving a Jeep with the OBDII code P1681 triggering the no fuel level bus message?

- While it may be safe to drive, it is recommended to address the issue promptly to ensure accurate fuel level readings and to prevent potential future issues related to the fuel system.

8. Can I reset the OBDII code P1681 in a Jeep with the no fuel level bus message without addressing the underlying issue?

- Resetting the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will likely reoccur until the root cause is fixed.

9. How much does it typically cost to repair the OBDII code P1681 in a Jeep related to the no fuel level bus message?

- The cost of repairs can vary depending on the specific cause of the issue, but it may involve the cost of a new fuel level sensor, wiring repairs, and any labor charges from a mechanic.

10. Can I fix the OBDII code P1681 related to the no fuel level bus message in a Jeep myself, or should I take it to a professional mechanic?

- While some basic troubleshooting and repairs can be done by DIY enthusiasts, diagnosing and fixing complex issues related to this code may require the expertise of a professional mechanic with the right tools and knowledge.