Engine-CodesChevrolet – P1502 Chevrolet

P1502 Chevrolet Code - Theft Deterrent Fuel Enable Signal Not Received

Quick Answer

The P1502 Chevrolet code indicates that the theft deterrent fuel enable signal was not received by the engine control module (ECM). Common causes include Faulty key transponder or key fob, Malfunctioning theft deterrent module, Wiring issues in the security system. 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
P1502 Chevrolet indicates Theft Deterrent Fuel Enable Signal Not Received.
Common causes
Common causes include Faulty key transponder or key fob, Malfunctioning theft deterrent module, Wiring issues in the security system.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1502 Chevrolet Description

The P1502 Chevrolet code indicates that the theft deterrent fuel enable signal was not received by the engine control module (ECM). This signal is crucial for the vehicle's security system to allow fuel delivery to the engine. When this signal is not received, the ECM will prevent the fuel injectors from operating, causing the engine to not start or stall shortly after starting. This code typically affects vehicles equipped with a theft deterrent system, such as a key with a transponder chip or a key fob with a remote control for locking and unlocking the doors.

OBDII Code P1502 Chevrolet - Theft Deterrent Fuel Enable Signal Not Received
P1502 Chevrolet Code - Theft Deterrent Fuel Enable Signal Not Received

Common Causes of P1502 Chevrolet

  1. Faulty key transponder or key fob.
  2. Malfunctioning theft deterrent module.
  3. Wiring issues in the security system.
  4. Communication error between components.

Symptoms of P1502 Chevrolet

  1. Engine cranks but does not start.
  2. Engine starts but stalls shortly after.
  3. Security light on the dashboard stays illuminated.
  4. Inability to engage the starter motor.

How to Fix P1502 Chevrolet

  1. Check the key transponder or key fob for proper functioning and replace if necessary.
  2. Inspect the theft deterrent module for faults and replace if needed.
  3. Verify the integrity of the wiring in the security system and repair any damaged wires.
  4. Use a diagnostic tool to check for communication errors between the security system components and address any issues found.

Cost to Fix P1502 Chevrolet

The typical repair costs for addressing the P1502 Chevrolet code can range from $100 to $500, depending on the specific cause of the issue and the parts needed for the repair. Labor rates at auto repair shops can vary, with hourly rates typically falling between $80 and $150. It's advisable to consult with a professional technician to get an accurate estimate based on your vehicle's make and model, as well as the local labor rates in your area.

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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.

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