P1614 Nissan Code - Chain of IMMU-KEY
Quick Answer
An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unless the correct key is present. Common causes include Faulty or not programmed ignition key, Faulty IMMU, Faulty Engine Control Module (ECM). 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
- P1614 Nissan indicates Chain of IMMU-KEY.
- Common causes
- Common causes include Faulty or not programmed ignition key, Faulty IMMU, Faulty Engine Control Module (ECM).
- 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 P1614 Nissan Description
The microcircuit inside the key is activated by a small electromagnetic field which induces current to flow inside the key body, which in turn broadcasts a unique binary code which is read by the automobile's Engine Control Module (ECM). When the ECM determines that the coded key is both current and valid, the ECM activates the fuel-injection sequence.
The immobilizer function of the Infiniti Vehicle Immobilizer System (IVIS) or Nissan Anti-Theft System (NATS) consists of the following:
- NATS ignition key
- NATS antenna amp. located in the ignition key cylinder
- Body control module (BCM) or (IMMU)
- Engine Control Module (ECM)
- Security indicator lamp
What are the Possible Causes of the DTC P1614 Nissan?
- Faulty or not programmed ignition key
- Faulty IMMU
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1614 Nissan?
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.
Code Tech Notes
If the problem occurs try disconnecting the car battery for about 30 minutes and then try starting the engine with a known registered key. If the problem persists you have to have the dealer erase the code and reprogram the keys again.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1614 Nissan 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 P1614 Nissan Code
1. What is OBDII code P1614 Nissan "Chain of IMMU-KEY"?
This code indicates a communication error between the immobilizer system and the key in a Nissan vehicle.
2. What are the common symptoms of OBDII code P1614 Nissan?
Common symptoms include the engine not starting, the key light flashing on the dashboard, and the vehicle going into "lock" mode.
3. What can cause OBDII code P1614 Nissan to trigger?
Possible causes include a faulty key, a problem with the immobilizer system, issues with the key transponder, or a wiring problem.
4. How can I diagnose OBDII code P1614 Nissan?
Diagnosis typically involves checking the key for damage, verifying the key transponder's functionality, inspecting the immobilizer system components, and scanning for any related trouble codes.
5. What are some DIY repair tips for OBDII code P1614 Nissan?
You can try using a spare key to see if the issue lies with the original key, checking and replacing the key fob battery, or disconnecting the car battery for a few minutes to reset the system.
6. Can OBDII code P1614 Nissan be fixed without professional help?
While some DIY troubleshooting is possible, resolving this code may require specialized equipment and expertise, so consulting a qualified mechanic is advisable.
7. How much does it typically cost to repair OBDII code P1614 Nissan?
The cost of repair can vary depending on the exact cause of the issue, but it may involve key reprogramming, immobilizer system repair, or key replacement, which can range from a few hundred to over a thousand dollars.
8. Is it safe to continue driving with OBDII code P1614 Nissan triggered?
It is not recommended to drive the vehicle with this code active, as it could lead to the engine not starting at a critical time. It's best to address the issue promptly.
9. Can a locksmith help with OBDII code P1614 Nissan?
Locksmiths specializing in automotive services may be able to assist with key-related issues triggering this code, such as key reprogramming or replacement.
10. How can I prevent OBDII code P1614 Nissan from occurring again?
To prevent reoccurrence, ensure your keys are in good condition, replace key fob batteries regularly, and address any warning signs promptly to maintain the immobilizer system's functionality.
Discuss the causes and fixes for P1614 Nissan OBDII Code
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The codes means that you have a problem with the key. Either the key is bad or it has not been programmed to your Nissan. You could clear the code, but if you have to fix the problem first.
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Depends if the problem is the key or reprogram the key, also depends on the dealer hourly rate.
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What model and year is your Nissan?
Issues with the Nissan Anti-Theft System (NATS) (Code P1614 is a NATS system code) will not cause any driveability problems.
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We have replaced clutch kits and air flow meter for Nissan x-trail 2002.the ignition starts but when u step on the accelerate it switches off..how can you help us?
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If you have the P1614 code, then either you have try starting the engine with the wrong key or the NATS system antenna is damage.
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Nissan p1614 I programe key code engine start,but it won't less long,I have to keep programe key code.I need help on this.
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No, I never seen problems with the shifter cable triggering the P1614 code.
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