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B1601 Lincoln Code - PATS Received Incorrect Key-Code From Ignition Key Transponder

Quick Answer

The B1601 diagnostic trouble code for Lincoln vehicles indicates that the Passive Anti-Theft System (PATS) has received an incorrect key-code from the ignition key transponder. Common causes include Faulty key transponder, Damaged ignition key, Issues with the PATS module. 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
B1601 Lincoln indicates PATS Received Incorrect Key-Code From Ignition Key Transponder.
Common causes
Common causes include Faulty key transponder, Damaged ignition key, Issues with the PATS module.
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 14, 2024
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Code B1601 Lincoln Description

The B1601 diagnostic trouble code for Lincoln vehicles indicates that the Passive Anti-Theft System (PATS) has received an incorrect key-code from the ignition key transponder. PATS is a security feature designed to prevent unauthorized starting of the vehicle. When the key is inserted into the ignition, the transponder sends a unique code to the vehicle's computer for verification. If the code does not match the expected code, the system will prevent the engine from starting.

OBDII Code B1601 Lincoln - PATS Received Incorrect Key-Code From Ignition Key Transponder
B1601 Lincoln Code - PATS Received Incorrect Key-Code From Ignition Key Transponder

Common Causes of B1601 Lincoln

  1. Faulty key transponder
  2. Damaged ignition key
  3. Issues with the PATS module
  4. Wiring or connection problems between components
  5. Low battery power in the key transponder

Symptoms of B1601 Lincoln

  1. Engine cranks but does not start
  2. Vehicle stalls unexpectedly
  3. Immobilizer light stays on or flashes
  4. Inability to start the engine with the correct key
  5. Security system warning light illuminated on the dashboard

How to Fix B1601 Lincoln

  1. Inspect the ignition key and transponder for any visible damage. Replace the key if necessary.
  2. Check the wiring and connections between the key transponder, PATS module, and the vehicle's computer. Repair any damaged wires or connections.
  3. Use a diagnostic tool to reprogram the key transponder to the vehicle's computer. Ensure that the correct key-code is being transmitted.
  4. If the PATS module is found to be faulty, replace it with a new unit.
  5. Clear the diagnostic trouble code from the vehicle's computer and test the system to ensure proper functionality.

Cost to Fix B1601 Lincoln

The cost of repairing a B1601 code on a Lincoln vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, the cost of replacing a faulty key transponder or ignition key can range from $50 to $200. If the PATS module needs to be replaced, you can expect to pay anywhere from $200 to $500 for the part alone. Labor costs can add an additional $100 to $300, depending on the complexity of the repair. Overall, you can expect to pay between $250 and $800 for resolving this issue, but it's advisable to obtain a detailed quote from a reputable auto repair shop 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.

Frequently Asked Questions about B1601 Lincoln Code

1. What are the common symptoms of OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- Common symptoms include difficulty starting the vehicle, the engine not turning over, and the security light flashing on the dashboard.

2. What are some possible causes of OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- Possible causes include a faulty transponder key, issues with the transceiver module, wiring problems, or a malfunction in the PATS system itself.

3. How can I diagnose the OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- Diagnosing this code typically involves using a scan tool to retrieve the specific trouble code, checking the transponder key for proper functioning, inspecting the transceiver module and wiring for any damage, and performing a PATS relearn procedure if necessary.

4. Can I reset or clear OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder on my own?

- Attempting to clear this code on your own may not resolve the underlying issue causing it. It is recommended to diagnose the problem first and address the root cause to prevent the code from reoccurring.

5. Are there any DIY repair tips for addressing OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- DIY repair tips may include checking the key for damage, ensuring it is the correct key for the vehicle, inspecting and repairing any damaged wiring, and performing a PATS relearn procedure as needed.

6. Is it safe to continue driving my Lincoln with OBDII code B1601 related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- It is not recommended to continue driving the vehicle with this code present, as it may lead to potential starting or security issues. It is best to address the problem promptly to ensure the vehicle's proper functioning.

7. How much does it typically cost to repair OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- The cost of repair can vary depending on the specific cause of the code and the necessary repairs. It is advisable to consult with a professional mechanic for an accurate diagnosis and cost estimate.

8. Will disconnecting the battery reset OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- Disconnecting the battery may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear once the vehicle is driven again.

9. How long does it take to repair OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- The repair time can vary depending on the cause of the issue and the extent of repairs needed. Some cases may be resolved quickly, while others may require more time for diagnosis and repair.

10. Can a locksmith help with fixing OBDII code B1601 in a Lincoln related to PATS Received Incorrect Key-Code From Ignition Key Transponder?

- A locksmith may be able to assist with issues related to transponder keys and programming, which could potentially help resolve this code. However, for more complex PATS system issues, it is recommended to consult a qualified automotive technician.

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