P1614 Infiniti 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 Infiniti 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 Infiniti 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 Infiniti?
- Faulty or not programmed ignition key
- Faulty IMMU
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1614 Infiniti?
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 Infiniti 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 Infiniti Code
1. What is OBDII code P1614 in Infiniti vehicles related to?
The OBDII code P1614 in Infiniti vehicles is related to the Chain of IMMU-KEY, indicating an issue with the communication between the immobilizer system and the key.
2. What are common symptoms of OBDII code P1614 in an Infiniti car?
Common symptoms of OBDII code P1614 in an Infiniti car may include difficulty starting the vehicle, the engine not turning over, or the car not recognizing the key.
3. What are possible causes of OBDII code P1614 in an Infiniti?
Possible causes of OBDII code P1614 in an Infiniti include a faulty key fob, issues with the immobilizer unit, wiring problems, or a malfunction in the key recognition system.
4. How can I diagnose the OBDII code P1614 in my Infiniti?
To diagnose OBDII code P1614 in your Infiniti, you can use an OBDII scanner to read the trouble codes, check the key fob battery, inspect the wiring connections, and have the immobilizer system tested by a professional.
5. Can I still drive my Infiniti with OBDII code P1614 present?
It is not recommended to drive your Infiniti with OBDII code P1614 present, as it may lead to starting issues or potential immobilization of the vehicle.
6. How can I clear the OBDII code P1614 in my Infiniti?
Clearing the OBDII code P1614 in your Infiniti can be done using an OBDII scanner to reset the fault codes after addressing the underlying issue with the immobilizer system.
7. Is it necessary to replace the key fob for OBDII code P1614 in an Infiniti?
Replacing the key fob may be necessary if it is found to be the cause of OBDII code P1614 in your Infiniti after diagnostics have been performed.
8. Can a DIY enthusiast repair OBDII code P1614 in an Infiniti?
While some simple checks and inspections can be done by a DIY enthusiast, repairing OBDII code P1614 in an Infiniti may require specialized tools and knowledge, so it is recommended to seek professional help.
9. How much does it cost to repair OBDII code P1614 in an Infiniti?
The cost to repair OBDII code P1614 in an Infiniti can vary depending on the exact cause of the issue, but it may involve expenses for diagnostic tests, parts replacement, and labor fees.
10. What should I do if OBDII code P1614 keeps coming back in my Infiniti?
If OBDII code P1614 keeps coming back in your Infiniti after clearing it, it is important to have a thorough diagnostic check performed by a professional to identify and address the root cause of the problem.
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