AutoCodes – Generic – P1936

P1936 Code - Fuel Level Signal

Quick Answer

P1936 indicates Fuel Level Signal. Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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: P1936 indicates Fuel Level Signal.
Common causes: Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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.

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Code Popularity 9,790

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1936 Description

OBDII Code P1936 - Fuel Level Signal - AutoCodes.com — P1936 Code - Fuel Level Signal

What does this mean?

What are the Possible Causes of the DTC P1936?

Faulty Fuel Level Sensor
Fuel Level Sensor harness is open or shorted
Fuel Level Sensor circuit poor electrical connection

How to Fix the DTC P1936?

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 P1936 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 P1936 code?

Need more information on how to fix the P1936 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1936 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1936 Ford — Fuel Level Signal
P1936 Land Rover — Clutch Switch/Sensor Signal
P1936 Lincoln — Fuel Level Signal
P1936 Mazda — Clutch Switch/Sensor Signal
P1936 Mercury — Fuel Level Signal

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 P1936 Code

1. What are the common symptoms of OBDII code P1936 (Fuel Level Signal)?

- Common symptoms include inaccurate fuel level readings on the dashboard, fluctuating fuel gauge readings, and potential illumination of the check engine light.

2. What are the possible causes of OBDII code P1936?

- The code P1936 can be triggered by issues with the fuel level sensor, a faulty wiring connection, a malfunctioning fuel pump, or a problem with the vehicle's powertrain control module (PCM).

3. How can I diagnose the cause of OBDII code P1936?

- Diagnosing the code P1936 usually involves inspecting the fuel level sensor, checking the wiring for any damage or loose connections, testing the fuel pump functionality, and scanning the PCM for any related error codes.

4. What are the repair options for fixing OBDII code P1936?

- Repair options may include replacing the faulty fuel level sensor, repairing or replacing damaged wiring connections, addressing issues with the fuel pump if necessary, and resetting the PCM after the repairs are completed.

5. Can I drive my vehicle with OBDII code P1936?

- It is generally not recommended to drive the vehicle with code P1936, as inaccurate fuel level readings can lead to running out of fuel unexpectedly. It is best to address the issue promptly to ensure accurate fuel monitoring.

6. How much does it cost to repair OBDII code P1936?

- The cost of repairs for code P1936 can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the repair shop. It is advisable to get a diagnostic inspection to determine the exact cost.

7. Can a DIY enthusiast fix OBDII code P1936 at home?

- Depending on the cause of the code P1936, some DIY enthusiasts with experience in automotive repair may be able to address the issue at home. However, complex issues like wiring problems or PCM issues may require professional assistance.

8. How long does it take to repair OBDII code P1936?

- The repair time for code P1936 can vary based on the specific cause of the issue and the complexity of the repairs needed. Simple fixes like sensor replacement may take a few hours, while more complex issues could take longer.

9. Will resetting the check engine light resolve OBDII code P1936?

- Simply resetting the check engine light will not fix the underlying issue causing code P1936. It is important to diagnose the problem, make the necessary repairs, and then clear the error codes to ensure the issue is fully resolved.

10. Is OBDII code P1936 a common problem in certain vehicle models?

- While the code P1936 related to the fuel level signal can occur in various vehicle models, it may be more common in older vehicles with aging fuel system components or in vehicles that have experienced electrical issues.