AutoCodes – Dodge – P1681 Dodge

P1681 Dodge 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 Dodge 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 16,247

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
Comments
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Code P1681 Dodge 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 Dodge - No Fuel Level Bus Message - AutoCodes.com — P1681 Dodge Code - No Fuel Level Bus Message

What does this mean?

What are the Possible Causes of the DTC P1681 Dodge?

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 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 P1681 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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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.