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P1002 Jeep Code - Ignition Key Off Timer Performance Too Slow

Quick Answer

The P1002 code for Jeep vehicles indicates that the ignition key off timer performance is too slow. Common causes include Faulty ignition switch, Malfunctioning ignition key off timer module, Wiring or electrical issues. 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
P1002 Jeep indicates Ignition Key Off Timer Performance Too Slow.
Common causes
Common causes include Faulty ignition switch, Malfunctioning ignition key off timer module, Wiring or electrical issues.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P1002 Jeep Description

The P1002 code for Jeep vehicles indicates that the ignition key off timer performance is too slow. This means that the vehicle's computer system is not properly detecting when the ignition key has been turned off, which can lead to various issues with the vehicle's operation. The ignition key off timer is responsible for shutting down certain systems in the vehicle after the key is turned off, such as the fuel injectors and ignition system. When the timer is not functioning correctly, it can result in poor fuel economy, difficulty starting the vehicle, and potential damage to the engine over time.

OBDII Code P1002 Jeep - Ignition Key Off Timer Performance Too Slow
P1002 Jeep Code - Ignition Key Off Timer Performance Too Slow

Common Causes of P1002 Jeep

  1. Faulty ignition switch
  2. Malfunctioning ignition key off timer module
  3. Wiring or electrical issues
  4. Computer software glitch
  5. Corrosion or damage to electrical connections

Symptoms of P1002 Jeep

  1. Poor fuel economy
  2. Difficulty starting the vehicle
  3. Engine running rough or stalling
  4. Battery draining quickly
  5. Check engine light illuminated

How to Fix P1002 Jeep

  1. Perform a diagnostic scan to confirm the P1002 code and identify the exact cause of the issue.
  2. Inspect the ignition switch and wiring connections for any damage or corrosion.
  3. Test the ignition key off timer module for proper function and replace if necessary.
  4. Clear the code from the vehicle's computer system and reset any adaptations.
  5. Test drive the vehicle to ensure the issue has been resolved and that the key off timer is functioning correctly.

Cost to Fix P1002 Jeep

The cost of repairing a P1002 code in a Jeep can vary depending on the specific cause of the issue. On average, the repair costs for this type of issue can range from $100 to $400, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to find the best price. Additionally, the cost may be higher if the issue requires more extensive repairs or the replacement of expensive components.

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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 P1002 Jeep Code

1. What are the common symptoms of OBDII code P1002 in a Jeep related to Ignition Key Off Timer Performance Too Slow?

- Common symptoms include a persistent Check Engine light, difficulty starting the vehicle, and potential battery drain issues.

2. What are the possible causes of the OBDII code P1002 in a Jeep indicating Ignition Key Off Timer Performance Too Slow?

- Possible causes may include a faulty ignition switch, a malfunctioning ignition key cylinder, or issues with the vehicle's computer system.

3. How can I diagnose the OBDII code P1002 in my Jeep related to Ignition Key Off Timer Performance Too Slow?

- A thorough diagnostic procedure by a qualified technician using an OBDII scanner to retrieve the fault codes and inspecting the ignition system is recommended.

4. What should I do if I encounter the OBDII code P1002 in my Jeep due to Ignition Key Off Timer Performance Too Slow?

- It is advised to address the issue promptly by seeking professional help to accurately diagnose and repair the underlying cause to prevent further complications.

5. Are there any DIY repair tips for resolving the OBDII code P1002 in a Jeep associated with Ignition Key Off Timer Performance Too Slow?

- DIY repair tips include checking for loose connections, ensuring the key cylinder is functioning correctly, and examining the ignition switch for any signs of wear or damage.

6. Can driving with the OBDII code P1002 in a Jeep indicating Ignition Key Off Timer Performance Too Slow cause any long-term damage?

- Continuing to drive with this code may potentially lead to further electrical issues and could affect the overall performance of the vehicle if left unaddressed.

7. How much does it typically cost to repair the OBDII code P1002 in a Jeep related to Ignition Key Off Timer Performance Too Slow?

- Repair costs can vary depending on the exact cause of the issue, but they may range from a simple fix to a more complex repair involving the ignition system components.

8. Is it safe to drive my Jeep with the OBDII code P1002 displaying Ignition Key Off Timer Performance Too Slow?

- While it may be safe to drive in the short term, it is recommended to address the underlying issue promptly to avoid any potential safety hazards or further damage to the vehicle.

9. Can a faulty battery be a possible cause of the OBDII code P1002 in a Jeep related to Ignition Key Off Timer Performance Too Slow?

- Yes, a weak or failing battery could potentially trigger this code due to insufficient power supply affecting the ignition system's performance.

10. How long does it usually take to repair the OBDII code P1002 in a Jeep indicating Ignition Key Off Timer Performance Too Slow?

- The repair time can vary depending on the exact cause of the issue and the availability of parts, but it is typically resolved within a few hours to a day at a repair shop.

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