AutoCodes – Generic – P1E0C

P1E0C Code - Empty Fuel Tank

Quick Answer

The Powertrain Control Module (PCM) monitors the Fuel Level Sensor. Common causes include Faulty Fuel Level Sensor, Faulty Powertrain Control Module (PCM). 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: P1E0C indicates Empty Fuel Tank.
Common causes: Common causes include Faulty Fuel Level Sensor, Faulty Powertrain Control Module (PCM).
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 3,360

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 Apr 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1E0C Description

The Powertrain Control Module (PCM) monitors the Fuel Level Sensor. The PCM sets the OBDII code when the Fuel Level Sensor is not to factory specifications.

OBDII Code P1E0C - Empty Fuel Tank - AutoCodes.com — P1E0C Code - Empty Fuel Tank

What does this mean?

What are the Possible Causes of the DTC P1E0C?

Faulty Fuel Level Sensor
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1E0C?

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 P1E0C 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 P1E0C code?

Need more information on how to fix the P1E0C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1E0C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1E0C Buick — Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 Low Voltage
P1E0C Cadillac — Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 Low Voltage
P1E0C Chevrolet — Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 Low Voltage
P1E0C Chrysler — Empty Fuel Tank
P1E0C Dodge — Empty Fuel Tank
P1E0C Fiat — Empty Fuel Tank
P1E0C GMC — Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 Low Voltage
P1E0C Jeep — Empty Fuel Tank

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 P1E0C Code

1. What does the OBDII code P1E0C mean?

The P1E0C code indicates that the vehicle's control module has detected an empty fuel tank or a fuel level low enough to cause potential issues.

2. What are the common symptoms of the P1E0C code?

Symptoms may include the fuel gauge reading empty, a warning light or message on the dashboard, engine stalling, or difficulty starting the vehicle.

3. What causes the P1E0C code to appear?

Common causes include an actual empty fuel tank, a faulty fuel level sensor, wiring issues, or a malfunctioning engine control module (ECM).

4. Can driving with the P1E0C code cause damage?

Yes, driving with an empty tank can damage the fuel pump or cause the engine to stall, potentially leading to unsafe driving conditions.

5. How do I fix the P1E0C code?

Start by refueling the vehicle. If the code persists, inspect the fuel level sensor, wiring, and connectors for damage or faults.

6. Can a faulty fuel gauge trigger the P1E0C code?

Yes, a malfunctioning fuel gauge or an inaccurate reading from the fuel level sensor can trigger this code.

7. How is the P1E0C code diagnosed?

A mechanic will typically use a scan tool to confirm the code, check the fuel level sensor, inspect wiring and connections, and verify the fuel level manually.

8. Can I clear the P1E0C code myself?

You can clear the code with an OBDII scanner, but if the issue isnâ€™t resolved, the code will likely return.

9. How much does it cost to repair the P1E0C code?

Costs vary depending on the issue, but replacing a fuel level sensor typically costs between $200 and $500, including parts and labor.

10. Is the P1E0C code specific to certain vehicles?

While itâ€™s often seen in hybrid or electric vehicles with internal combustion engines, it can appear in other vehicles with advanced fuel monitoring systems. Always check your vehicleâ€™s specific repair manual.