AutoCodes – Acura – P16F7 Acura

P16F7 Acura Code - Starter Inhibitor Relay Stuck On

Quick Answer

The Engine Control Module (ECM) monitors the Starter Inhibitor Relay. Common causes include Reprogram Engine Control Module (ECM), Faulty Starter Inhibitor Relay, Starter Inhibitor Relay harness is open or shorted. 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: P16F7 Acura indicates Starter Inhibitor Relay Stuck On.
Common causes: Common causes include Reprogram Engine Control Module (ECM), Faulty Starter Inhibitor Relay, Starter Inhibitor Relay harness is open or shorted.
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 1,854

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P16F7 Acura Description

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

OBDII Code P16F7 Acura - Starter Inhibitor Relay Stuck On - AutoCodes.com — P16F7 Acura Code - Starter Inhibitor Relay Stuck On

What does this mean?

What are the Possible Causes of the DTC P16F7 Acura?

Reprogram Engine Control Module (ECM)
Faulty Starter Inhibitor Relay
Starter Inhibitor Relay harness is open or shorted
Starter Inhibitor Relay circuit poor electrical connection

How to Fix the DTC P16F7 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 does this mean?

Code Tech Notes

There is a factory service bulletin for the 2014-2015 Civic models, the factory recommends reprogramming the ECM for this code.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P16F7 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 P16F7 Acura code?

Need more information on how to fix the P16F7 Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16F7 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 P16F7 Acura Code

What does the OBDII code P16F7 mean for an Acura?

The code P16F7 indicates "Starter Inhibitor Relay Stuck On," meaning the relay responsible for controlling the starter system is stuck in the engaged position.

What are the common symptoms of the P16F7 code in an Acura?

Symptoms may include difficulty starting the vehicle, the starter staying engaged longer than usual, or unusual noises from the starter motor.

What causes the P16F7 code in an Acura?

Common causes include a faulty starter inhibitor relay, wiring issues, corrosion in the relay connections, or a malfunction in the Powertrain Control Module (PCM).

Can I drive my Acura with the P16F7 code active?

While the vehicle may still be drivable, itâ€™s not recommended as the issue could lead to starter system damage or leave you stranded if the car fails to start.

How do you diagnose the P16F7 code on an Acura?

Diagnosis typically involves inspecting the starter inhibitor relay, checking the wiring and connectors for damage or corrosion, and using a diagnostic tool to monitor PCM signals.

How can the P16F7 code be fixed on an Acura?

Fixing this code may involve replacing the starter inhibitor relay, repairing wiring or connector issues, or, in rare cases, reprogramming or replacing the PCM.

What tools are needed to address the P16F7 code?

Youâ€™ll need a multimeter for testing electrical connections, a diagnostic scanner to read and clear codes, and basic automotive tools for relay replacement.

Is replacing the starter inhibitor relay expensive?

Replacing the relay is generally affordable, with part costs ranging from $20 to $50, though labor costs can vary depending on your location and the complexity of the repair.

Can a faulty starter inhibitor relay cause damage to other vehicle components?

Yes, if the relay stays stuck on, it may overwork the starter motor, leading to premature failure or damage to the electrical system.

How can you prevent the P16F7 code from recurring?

Regular maintenance, including inspecting and cleaning electrical connections, can help prevent issues with the starter inhibitor relay and related components.