AutoCodes – Generic – P1610

P1610 Code - Lock Mode

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
P1610 indicates Lock Mode.
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.
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Code Popularity 42,965
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Aug 31, 2019
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Code P1610 Description

An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unless the correct key is present. This prevents the car from being hotwired after entry has been achieved.
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
OBDII Code P1610 - Lock Mode - AutoCodes.com
P1610 Code - Lock Mode

What are the Possible Causes of the DTC P1610?

  • Faulty or not programmed ignition key
  • Faulty IMMU
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P1610?

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 P1610 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 P1610 code?

Need more information on how to fix the P1610 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1610 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 P1610 Code

1. What is OBDII code P1610?

- OBDII code P1610 refers to Lock Mode, which indicates a problem with the Immobilizer control module communication.

2. What are the common symptoms of OBDII code P1610?

- Common symptoms of code P1610 include difficulty starting the vehicle, engine stalling, and the inability to start the engine.

3. What can cause OBDII code P1610 to trigger?

- Code P1610 can be triggered by issues such as a faulty Immobilizer control module, a defective key transponder, or a wiring problem in the system.

4. How can I diagnose the cause of OBDII code P1610?

- Diagnosing code P1610 involves checking the Immobilizer system, testing the key transponder, inspecting the wiring for damage, and using a diagnostic scan tool for further analysis.

5. Can I drive my vehicle with OBDII code P1610?

- It is not recommended to drive your vehicle with code P1610, as it may result in starting issues or engine stalling while on the road.

6. How can I reset OBDII code P1610?

- To reset code P1610, you will need to diagnose and fix the underlying issue causing the code to trigger. Once the problem is resolved, you can use a diagnostic scan tool to clear the code.

7. Is it possible to repair OBDII code P1610 on my own?

- Depending on your automotive knowledge and skills, you may be able to repair code P1610 on your own by following diagnostic procedures and replacing faulty components in the Immobilizer system.

8. Will disconnecting the battery reset OBDII code P1610?

- Disconnecting the battery may temporarily clear the code, but it is not a recommended method to reset code P1610. It is crucial to address the root cause of the code to prevent it from reoccurring.

9. How much does it cost to repair OBDII code P1610 at a repair shop?

- The cost of repairing code P1610 at a repair shop can vary depending on the underlying issue, the labor rates of the shop, and the cost of any replacement parts needed for the repair.

10. Can OBDII code P1610 cause other problems in my vehicle?

- Code P1610 is related to the Immobilizer system, and if left unresolved, it may lead to starting issues, engine stalling, or the inability to operate your vehicle. It is essential to address this code promptly to prevent further problems.

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