AutoCodes – Acura – P16F4 Acura

P16F4 Acura Code - Starter Cut Relay 2 Control Circuit Low Voltage

Quick Answer

The Engine Control Module (ECM) monitors the Starter Cut Relay 2 Control Circuit. Common causes include Faulty Starter Cut Relay 2, Starter Cut Relay 2 harness is open or shorted, Starter Cut Relay 2 circuit poor electrical connection. 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: P16F4 Acura indicates Starter Cut Relay 2 Control Circuit Low Voltage.
Common causes: Common causes include Faulty Starter Cut Relay 2, Starter Cut Relay 2 harness is open or shorted, Starter Cut Relay 2 circuit poor electrical connection.
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 1,645

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16F4 Acura Description

The Engine Control Module (ECM) monitors the Starter Cut Relay 2 Control Circuit. The ECM sets the OBDII code when the Starter Cut Relay 2 Control Circuit is not to factory specifications.

OBDII Code P16F4 Acura - Starter Cut Relay 2 Control Circuit Low Voltage - AutoCodes.com — P16F4 Acura Code - Starter Cut Relay 2 Control Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P16F4 Acura?

Faulty Starter Cut Relay 2
Starter Cut Relay 2 harness is open or shorted
Starter Cut Relay 2 circuit poor electrical connection

How to Fix the DTC P16F4 Acura?

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 P16F4 Acura 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 P16F4 Acura code?

Need more information on how to fix the P16F4 Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16F4 Acura code diagnosed by a professional: Find a repair shop in your area

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 P16F4 Acura Code

1. What are the common symptoms of OBDII code P16F4 in an Acura related to the Starter Cut Relay 2 Control Circuit Low Voltage?

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

2. What can cause the OBDII code P16F4 in an Acura?

The code P16F4 in an Acura is typically caused by a malfunction in the Starter Cut Relay 2 Control Circuit, which can be due to a faulty relay, wiring issues, or a problem with the ignition switch.

3. How can I diagnose the OBDII code P16F4 related to the Starter Cut Relay 2 Control Circuit Low Voltage in my Acura?

Diagnosing the code P16F4 involves checking the wiring connections to the relay, testing the relay itself, inspecting the ignition switch, and using a multimeter to measure voltage levels in the circuit.

4. Can I still drive my Acura with the OBDII code P16F4 present?

It is not recommended to drive your Acura with the code P16F4 present, as it can lead to potential starting issues and may cause further damage to the starter or other components.

5. How can I repair the OBDII code P16F4 related to the Starter Cut Relay 2 Control Circuit Low Voltage in my Acura?

Repairing the code P16F4 involves replacing the faulty relay, repairing any damaged wiring, and ensuring proper connection of the circuit components.

6. Are there any DIY tips for fixing the OBDII code P16F4 in my Acura?

While some basic troubleshooting steps can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair of the code P16F4 related to the Starter Cut Relay 2 Control Circuit Low Voltage.

7. Will resetting the OBDII system clear the P16F4 code in my Acura?

Resetting the OBDII system may temporarily clear the code P16F4, but if the underlying issue with the Starter Cut Relay 2 Control Circuit is not fixed, the code is likely to reappear.

8. Is the OBDII code P16F4 related to the Starter Cut Relay 2 Control Circuit Low Voltage a serious issue in an Acura?

The code P16F4 can be a serious issue as it affects the proper functioning of the starter system in your Acura, leading to potential starting problems and inconvenience.

9. Can a faulty battery cause the OBDII code P16F4 in an Acura?

While a weak or faulty battery can lead to starting issues, the OBDII code P16F4 specifically points to a problem with the Starter Cut Relay 2 Control Circuit and is not directly related to the battery.

10. How much does it typically cost to repair the OBDII code P16F4 related to the Starter Cut Relay 2 Control Circuit Low Voltage in an Acura?

The cost of repairing the code P16F4 can vary depending on the exact cause of the issue, but it may involve a few hundred dollars for parts and labor, especially if professional diagnostic services are needed.