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P1652 Infiniti Code - Starter Motor System Communication

Quick Answer

The P1652 code in Infiniti vehicles relates to the starter motor system communication. Common causes include Faulty starter motor, Wiring issues in the starter motor system, Failed starter motor relay. 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
P1652 Infiniti indicates Starter Motor System Communication.
Common causes
Common causes include Faulty starter motor, Wiring issues in the starter motor system, Failed starter motor relay.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1652 Infiniti Description

The P1652 code in Infiniti vehicles relates to the starter motor system communication. This code indicates a problem with the communication between the starter motor and the vehicle's computer system. The starter motor is responsible for turning the engine over to start the vehicle, and if there is an issue with the communication between the starter motor and the vehicle's computer, it can lead to starting problems or even prevent the vehicle from starting altogether.

OBDII Code P1652 Infiniti - Starter Motor System Communication
P1652 Infiniti Code - Starter Motor System Communication

Common Causes of P1652 Infiniti

  1. Faulty starter motor.
  2. Wiring issues in the starter motor system.
  3. Failed starter motor relay.
  4. Communication error between starter motor and vehicle's computer.
  5. Faulty ignition switch.

Symptoms of P1652 Infiniti

  1. Engine cranks but does not start.
  2. Vehicle intermittently fails to start.
  3. Clicking sound when turning the key in the ignition.
  4. Starter motor not engaging when trying to start the vehicle.

How to Fix P1652 Infiniti

  1. Diagnose the issue by using a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the starter motor system.
  2. Check the wiring and connections in the starter motor system for any damage or loose connections.
  3. Test the starter motor and relay to determine if they are functioning properly. Replace any faulty components.
  4. Ensure the communication between the starter motor and the vehicle's computer is working correctly.
  5. Clear the trouble codes and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1652 Infiniti

The typical repair costs for addressing a P1652 code in an Infiniti vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable prices.

What does this mean?

Tech Notes for P1652 Infiniti

The Starter Motor Relay is part of the Intelligent Power Distribution Module (IPDM) Engine Room (E/R) and is not serviceable.

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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 P1652 Infiniti Code

1. What are the common symptoms of OBDII code P1652 in an Infiniti related to the Starter Motor System Communication issue?

The common symptoms include difficulty starting the vehicle, intermittent starting issues, and the engine not cranking when the key is turned.

2. What are the possible causes of OBDII code P1652 in an Infiniti?

Possible causes of this code could be a faulty starter motor, damaged wiring or connectors in the starter motor system, a failing starter relay, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P1652 in my Infiniti related to the Starter Motor System Communication?

Diagnosis typically involves checking the starter motor, inspecting the wiring and connectors for any damage, testing the starter relay, and using a scan tool to communicate with the ECM for further troubleshooting.

4. Can a DIY enthusiast repair OBDII code P1652 in an Infiniti, or is it best left to professionals?

While some basic checks like inspecting wiring and connectors can be done by DIY enthusiasts, diagnosing and repairing more complex issues related to the starter motor system may require the expertise of a professional mechanic.

5. Are there any quick tips for troubleshooting OBDII code P1652 in an Infiniti?

Quick tips include checking the battery's condition and charge, ensuring the starter motor connections are secure, and inspecting the starter relay for any visible damage or issues.

6. Is it safe to continue driving my Infiniti with OBDII code P1652 related to the Starter Motor System Communication?

It is not recommended to drive your vehicle with this code as it can lead to potential starting failures, leaving you stranded. It's best to address the issue promptly to avoid further complications.

7. How much can I expect to pay for repairing OBDII code P1652 in my Infiniti at a professional service center?

The cost of repairing this code can vary depending on the exact cause of the issue and labor rates in your area. It's advisable to get a diagnosis from a trusted mechanic to receive an accurate estimate.

8. Will resetting the OBDII code P1652 in my Infiniti make the issue go away permanently?

Resetting the code may temporarily clear the warning light, but if the root cause of the Starter Motor System Communication problem is not addressed, the code is likely to reappear. It's essential to diagnose and fix the underlying issue.

9. Can extreme weather conditions affect the occurrence of OBDII code P1652 in an Infiniti?

Yes, extreme cold or hot weather can sometimes exacerbate issues related to the starter motor system, potentially leading to the triggering of this code. Ensuring your vehicle is properly maintained can help mitigate these effects.

10. How long does it typically take to repair OBDII code P1652 in an Infiniti?

The repair time can vary depending on the specific cause of the issue. Simple fixes like replacing a faulty starter relay may take less time, while diagnosing and replacing a defective starter motor could be more time-consuming.

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