P2065 OBD-II Trouble Code: Fuel Level Sensor B Circuit

Our certified mechanics come to you · Get a fair and transparent estimate upfront

Red-stars EXCELLENT RATING ON

Cost of diagnosing the P2065 code

P2065 is a diagnostic trouble code (DTC) for "Fuel Level Sensor B Circuit". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $0.0 . Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.0 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford $0.0 $20.0
Toyota $0.0 $20.0
BMW $0.0 $20.0
SCHEDULE P2065 DIAGNOSTIC Get a fair and transparent estimate upfront

P2065 OBD-II Trouble Code: Fuel Level Sensor B Circuit

P2065 code definition

A P2065 trouble code refers to a detected problem with the fuel level sensor "B" circuit

What the P2065 code means

A P2065 indicates that the Powertrain Control Module (PCM) has detected an irregular voltage signal from one of the fuel level sensors. Fuel sensors are used to gauge the amount of fuel currently in the gas tank. The "B" circuit indicates a specific area in the fuel level sensor circuit. This area should be denoted visibly on the hardware.

What causes the P2065 code?

  • In the majority of cases, a faulty instrument cluster is to blame

  • A damaged fuel tank

  • Loose grounding wire, and shorted or broken circuitry.

  • In very rare cases, a PCM or other control module may be faulty and mistakenly registering the code.

However, due to the rarity and high expense involved in module replacement, it should only be considered a last-ditch resort after all over possibilities have been exhausted.

What are the symptoms of the P2065 code?

If a P2065 code applies to a vehicle, the fuel gauge will be inaccurate and erratic. In some cases, the fuel gauge may read a fuel level below zero. In cases where a vehicle is equipped with a "low fuel" warning, this warning bleeper may signal itself erratically, regardless of the actual level of fuel inside the tank.

In addition, the trouble code and illuminated dashboard trouble lamp will be activated. These symptoms are purely diagnostic in nature, and used only in order to indicate that there is a problem in the first place.

How does a mechanic diagnose the P2065 code?

A P2065 code may be first identified by scanning it with an OBD-II code reader. Primary components in the fuel level system (such as the instrument cluster and fuel tank) should be inspected for signs of fault or damage. Running a smoke machine through the fuel system will give a visual indicator where any cracks (if any) are along the body. Any wiring and connectors related to the fuel level system should be checked out for sign of corrosion, fault, wear and disconnection. If all other possible causes have been ruled out, the PCM may be considered as a possible issue.

Common mistakes when diagnosing the P2065 code

The electrical circuitry relating to the fuel delivery system should be thoroughly inspected, especially first before investing in expensive replacement components. Electrical problems are sometimes overlooked and components unnecessarily replaced instead.

How serious is the P2065 code?

Although it may not have a practical effect on the vehicle's drivability, not knowing how much fuel there really is in the gas tank can be a big concern, particularly on longer trips. In addition, certain causes (like a damaged fuel tank) that account for a P2065 may have further-reaching consequences.

What repairs can fix the P2065 code?

. It is important to keep in mind that this last-ditch option is very costly compared to smaller repairs. Therefore, it should only be considered once it has been identified as the problem with relative certainty.

  • Finally, after making all repairs, the vehicle should be test started to see if the issue returns. This post-test will help verify that the problem has been solved for good.

Additional comments for consideration regarding the P2065 code

In the case of fuel tank damage, the P2065 code will be likely reported alongside other trouble codes relating to the fuel delivery system.

Need help with a P2065 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

Check Engine Light
trouble codes
P2065

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P2065 code.

SCHEDULE P2065 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating

(6498)

Rating Summary
6019
228
53
36
162
6019
228
53
36
162
 at YourMechanic

Marco

14 years of experience
10 reviews
Marco
14 years of experience
Jeep Commander V6-3.7L - Check Engine Light is on - San Diego, California
Marco was very thorough and gave an honest assessment of my vehicle's condition. He discussed options and the most pressing repairs. Very knowledgeable.
 at YourMechanic

Chris

6 years of experience
38 reviews
Chris
6 years of experience
Chevrolet Traverse V6-3.6L - Check Engine Light is on - McDonough, Georgia
Chris did an outstanding job, his communication throughout the process was detailed and understandable. He came out in the rain and repaired the Car as well as changed the oil... truly grateful!!!
 at YourMechanic

John

27 years of experience
849 reviews
John
27 years of experience
GMC Acadia V6-3.6L - Check Engine Light is on - Alvin, Texas
He arrived early and figured out the problem within 20 minutes!!! He was very professional and a people person. I'm glad he was the one I met because I will return for further mechanic needs with John as my mechanic.
 at YourMechanic

Travis

18 years of experience
106 reviews
Travis
18 years of experience
Mazda CX-9 V6-3.7L - Check Engine Light is on - Ladson, South Carolina
My experience with Travis was very good.. I would recommend him if you want a knowledgeable and a professional person.


More related articles

P0193 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit High Input
P0193 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit High Input Diagnostic Trouble Code (DTC): P0193 P0193 trouble code definition Fuel rail...
P0188 OBD-II Trouble Code: Fuel Temperature Sensor "B" Circuit High Input
P0188 P0188 trouble code definition Fuel Temperature Sensor "B" Circuit High Input What the P0188 code means The fuel temperature sensor identifies the presence of contamination, such as water, ethanol, or dirt. It also measures the fuel temperature inside the...
P0919 OBD-II Trouble Code: Gearshift Position Control Error
P0919 means there is a malfunction in the gearshift's ability to manipulate the shift position due to faulty gearbox components, or wiring issues.

Related questions

Traction and Check Engine Light on

Hey there. Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the car's ECU. ...

Car won't start key turns and lights dim when it cranks. I just don't hear a buzzing sound from the fuel pump when turn key to on

Code U1100 signifies a communications error which is either a module fault or a deficiency in the wiring harness between communicating modules. There's a possibility that a dying battery is a cause of such a code (and a cause of...

engine codes related

Hey there. If the codes are cleared with a scanner, check to see if they return. Maybe the system was serviced or the battery ground is loose and causing the circuit to break which could cause a lack of communication...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com