B1602 Ford 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 Ford 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.
Code B1602 Ford Description
What are the Possible Causes of the DTC B1602 Ford?
- Faulty Passive Anti-Theft System (PATS) key
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC B1602 Ford?
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 Ford 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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Frequently Asked Questions about B1602 Ford Code
1. What are the common symptoms of OBDII code B1602 on a Ford vehicle?
- Common symptoms include the engine not starting, the vehicle going into anti-theft mode, and the key symbol flashing on the dashboard.
2. What does the OBDII code B1602 Ford indicate?
- This code indicates that the Passive Anti-Theft System (PATS) has received an invalid format of key-code from the ignition key transponder.
3. What are the possible causes of OBDII code B1602 on a Ford vehicle?
- Possible causes include a faulty transponder key, issues with the transceiver antenna, a problem with the PATS module, or a communication error between the key and the PATS system.
4. How can I troubleshoot and repair OBDII code B1602 on my Ford vehicle?
- Start by checking the transponder key for damage or malfunction. Ensure that the key is programmed correctly and has a working battery. If the key is fine, inspect the transceiver antenna and PATS module for any faults.
5. Can I reset OBDII code B1602 on my Ford vehicle by disconnecting the battery?
- Disconnecting the battery may reset the code temporarily, but it is not a recommended long-term solution. It's best to diagnose the root cause of the issue and address it properly.
6. Is it safe to drive my Ford vehicle with OBDII code B1602 present?
- It is not recommended to drive the vehicle with this code present, as it may lead to starting issues or the vehicle going into anti-theft mode unexpectedly.
7. How can I prevent OBDII code B1602 from occurring in the future?
- To prevent this code, make sure to use a properly programmed transponder key, keep the key in good condition, and address any PATS system issues promptly.
8. Can a locksmith or dealership help with diagnosing and repairing OBDII code B1602?
- Yes, a locksmith or dealership with experience in automotive security systems can assist in diagnosing and repairing issues related to OBDII code B1602.
9. Will clearing the OBDII code B1602 resolve the underlying issue?
- Clearing the code without addressing the root cause will not resolve the issue. It's important to diagnose and fix the problem to prevent the code from reoccurring.
10. How much does it typically cost to repair OBDII code B1602 on a Ford vehicle?
- The cost of repairing this code can vary depending on the specific issue, but it may involve key reprogramming, transceiver antenna replacement, or PATS module repair, which can range from a few hundred to over a thousand dollars.
Discuss the causes and fixes for B1602 Ford OBDII Code
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I have a 2002 Ford Explorer sport trac that the key lock cylinder broke on. We replaced cylinder and keys. Have been trying to match new cylinder and keys with thinkdiag scanner. Not having any luck!
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