AutoCodes – Saturn – P0513 Saturn

P0513 Saturn Code - Incorrect Immobilizer Key

Quick Answer

The Engine Control Module (ECM), the Powertrain Interface Module (PIM), and the Body Control Module (BCM) are integral part of the vehicle theft deterrent system. Common causes include Deterrent key not programmed to vehicle, Faulty Deterrent key, Faulty ignition switch. 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: P0513 Saturn indicates Incorrect Immobilizer Key.
Common causes: Common causes include Deterrent key not programmed to vehicle, Faulty Deterrent key, Faulty ignition switch.
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 6,504

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 Jun 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0513 Saturn Description

The Engine Control Module (ECM), the Powertrain Interface Module (PIM), and the Body Control Module (BCM) are integral part of the vehicle theft deterrent system. The theft deterrent system authenticates the security code programmed into each of these modules to prevent unauthorized vehicle operation. This authentication process includes the following steps:
1.When the ignition is turned ON or the door is unlocked by remote key the BCM and the key exchange security data to verify the correct key is used.
2.Once the correct key has been confirmed and the ignition is turned ON, the PIM and BCM exchange data to confirm the correct BCM and PIM is being used.
3.Once the correct key, BCM, and PIM is confirmed, the PIM and ECM exchange data to allow the vehicle to start.
4.The data exchange processes conducted use various encrypted data exchanges between each of the devices.

OBDII Code P0513 Saturn - Incorrect Immobilizer Key - AutoCodes.com — P0513 Saturn Code - Incorrect Immobilizer Key

What does this mean?

What are the Possible Causes of the DTC P0513 Saturn?

Deterrent key not programmed to vehicle
Faulty Deterrent key
Faulty ignition switch
Poor electrical connection for Deterrent circuit components

How to Fix the DTC P0513 Saturn?

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 P0513 Saturn 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.

Frequently Asked Questions about P0513 Saturn Code

1. What does the OBDII code P0513 mean for a Saturn?

P0513 indicates an "Incorrect Immobilizer Key," meaning the vehicle's anti-theft system is not recognizing the key being used.

2. What are the common symptoms of P0513 in a Saturn?

Symptoms may include the engine not starting, the security light staying illuminated, or the vehicle entering anti-theft mode.

3. What causes the P0513 code to appear in a Saturn?

Common causes include a damaged or unprogrammed key, an issue with the key fob battery, a malfunctioning immobilizer system, or a problem with the ignition switch.

4. Can a dead key fob battery trigger the P0513 code on a Saturn?

Yes, a dead or weak key fob battery can prevent proper communication with the immobilizer system and trigger this code.

5. How can I fix the P0513 code on my Saturn?

First, try using a spare key. If that doesn’t work, replace the key fob battery or reprogram the key. If the issue persists, have the immobilizer system or ignition switch inspected.

6. Will clearing the P0513 code fix the problem permanently?

No, clearing the code without addressing the underlying issue will likely result in the code returning.

7. Can I bypass the immobilizer system to resolve the P0513 code on a Saturn?

Bypassing the immobilizer system is not recommended as it compromises your vehicle’s security and may void warranties.

8. How much does it cost to fix the P0513 code on a Saturn?

Costs vary depending on the issue, but key reprogramming typically costs $50-$200, while replacing an immobilizer module could range from $300-$600.

9. Can a damaged ignition switch cause the P0513 code?

Yes, a faulty ignition switch can disrupt communication with the immobilizer system and trigger this code.

10. Do I need to go to a dealership to fix the P0513 code on my Saturn?

Not necessarily. Some independent locksmiths or mechanics can reprogram keys and diagnose immobilizer issues, but a dealership may be required for complex problems.