B1601 Ford Code - PATS Received Incorrect 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
- B1601 Ford indicates PATS Received Incorrect 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 B1601 Ford Description
What are the Possible Causes of the DTC B1601 Ford?
- Faulty Passive Anti-Theft System (PATS) key
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC B1601 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 B1601 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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Information for Specific Ford Models
- B1601 2005 Ford Explorer — PATS Received Incorrect Key-Code From Ignition Key Transponder
Frequently Asked Questions about B1601 Ford Code
1. What are common symptoms of OBDII code B1601 Ford (PATS Received Incorrect Key-Code From Ignition Key Transponder)?
Common symptoms include the vehicle not starting, the engine cranking but not turning over, and the security light on the dashboard flashing rapidly.
2. What could cause the OBDII code B1601 Ford to trigger?
The code B1601 is typically triggered when the Passive Anti-Theft System (PATS) module receives an incorrect key-code signal from the ignition key transponder.
3. How can I diagnose the OBDII code B1601 Ford issue?
Diagnosing this issue usually involves checking the key transponder, ensuring it is programmed correctly, and verifying that the key is recognized by the PATS module.
4. What repairs are recommended for OBDII code B1601 Ford?
Repair recommendations may include reprogramming the key transponder, replacing the ignition key, or reinitializing the PATS system to synchronize the key with the vehicle.
5. Is it possible to fix the OBDII code B1601 Ford issue without professional help?
While some basic troubleshooting steps can be taken, resolving the B1601 code often requires specialized tools and knowledge, so seeking professional help is recommended.
6. Can a faulty key fob or keyless entry remote cause the B1601 code to appear?
Yes, a faulty key fob or keyless entry remote can sometimes trigger the B1601 code if it is not sending the correct key-code signal to the PATS module.
7. Are there any temporary solutions to bypass the OBDII code B1601 Ford issue?
Bypassing the PATS system is not recommended as it compromises the vehicle's security. It is best to address the root cause of the B1601 code to ensure proper functionality and security.
8. How long does it typically take to repair the OBDII code B1601 Ford problem?
The repair time can vary depending on the exact cause of the issue. Simple fixes like reprogramming the key may take less time compared to replacing the PATS module.
9. Will resetting the vehicle's computer system clear the OBDII code B1601 Ford?
Resetting the computer system may temporarily clear the code, but if the underlying issue with the key transponder or PATS module is not addressed, the code is likely to return.
10. Can the OBDII code B1601 Ford affect other vehicle systems or components?
While the B1601 code specifically relates to the PATS system, unresolved issues with the key transponder can potentially lead to starting or security-related problems in the vehicle.
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