AutoCodes – Lincoln – B1602 Lincoln

B1602 Lincoln Code - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder

Quick Answer

During each vehicle start sequence, the transceiver reads the Passive Anti-Theft System (PATS) key identification code and circuit send the data to the Powertrain Control Module (PCM). Common causes include Faulty Passive Anti-Theft System (PATS) key, 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: B1602 Lincoln indicates PATS Received Invalid Format Of Key-Code From Ignition Key Transponder.
Common causes: Common causes include Faulty Passive Anti-Theft System (PATS) key, 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,799

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 May 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1602 Lincoln Description

During each vehicle start sequence, the transceiver reads the Passive Anti-Theft System (PATS) key identification code and circuit send the data to the Powertrain Control Module (PCM).

OBDII Code B1602 Lincoln - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder - AutoCodes.com — B1602 Lincoln Code - PATS Received Invalid Format Of Key-Code From Ignition Key Transponder

What does this mean?

What are the Possible Causes of the DTC B1602 Lincoln?

Faulty Passive Anti-Theft System (PATS) key
Faulty Powertrain Control Module (PCM)

How to Fix the DTC B1602 Lincoln?

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 B1602 Lincoln 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 B1602 Lincoln code?

Need more information on how to fix the B1602 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1602 Lincoln code diagnosed by a professional: Find a repair shop in your area

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 B1602 Lincoln Code

1. What are the common symptoms of OBDII code B1602 in a Lincoln vehicle?

- Common symptoms include difficulty starting the engine, engine stalling, and the vehicle's anti-theft system being triggered.

2. What does the OBDII code B1602 in a Lincoln indicate?

- The code B1602 indicates that the Passive Anti-Theft System (PATS) in the vehicle received an invalid format of the key-code from the ignition key transponder.

3. What are the possible causes of OBDII code B1602 in a Lincoln?

- Possible causes include a defective ignition key transponder, a faulty PATS control module, wiring issues, or a mismatch between the key and the PATS system.

4. How can I diagnose the OBDII code B1602 in my Lincoln?

- Diagnostic steps may include checking the ignition key transponder, inspecting the wiring for any damage, and using a diagnostic scan tool to communicate with the PATS system.

5. Can I repair OBDII code B1602 in my Lincoln myself?

- Depending on the cause, repairs may range from reprogramming the key to replacing the PATS control module. Some repairs may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

6. Is it safe to continue driving my Lincoln with OBDII code B1602?

- It is not advisable to drive the vehicle with code B1602 unresolved, as it may result in the vehicle not starting or the anti-theft system being continuously activated.

7. How much does it typically cost to repair OBDII code B1602 in a Lincoln?

- Repair costs can vary depending on the exact cause of the issue and the required repairs. It's best to get a diagnostic assessment from a qualified mechanic to determine the cost.

8. How long does it take to repair OBDII code B1602 in a Lincoln?

- The repair time can vary based on the complexity of the issue and the availability of replacement parts. Some repairs may be completed within a few hours, while others may take longer.

9. Can resetting the vehicle's computer clear OBDII code B1602?

- Resetting the vehicle's computer may temporarily clear the code, but it is likely to return if the underlying issue causing the code is not addressed.

10. Are there any preventive measures to avoid OBDII code B1602 in a Lincoln?

- Regularly maintaining the ignition key and PATS system, avoiding exposure to extreme temperatures, and using the correct key can help prevent issues that may trigger code B1602.