AutoCodes – Acura – P16F8 Acura

P16F8 Acura Code - Starter Inhibitor Relay Stuck Off

Quick Answer

The Engine Control Module (ECM) monitors the Starter Inhibitor Relay. Common causes include Faulty Starter Inhibitor Relay, Starter Inhibitor Relay harness is open or shorted, Starter Inhibitor Relay 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
P16F8 Acura indicates Starter Inhibitor Relay Stuck Off.
Common causes
Common causes include Faulty Starter Inhibitor Relay, Starter Inhibitor Relay harness is open or shorted, Starter Inhibitor Relay 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 1,336
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 14, 2020
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Code P16F8 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 P16F8 Acura - Starter Inhibitor Relay Stuck Off - AutoCodes.com
P16F8 Acura Code - Starter Inhibitor Relay Stuck Off

What are the Possible Causes of the DTC P16F8 Acura?

  • Faulty Starter Inhibitor Relay
  • Starter Inhibitor Relay harness is open or shorted
  • Starter Inhibitor Relay circuit poor electrical connection

How to Fix the DTC P16F8 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 P16F8 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 P16F8 Acura code?

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Need Help with the Code?

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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 P16F8 Acura Code

1. What does the OBDII code P16F8 mean on an Acura?

The code P16F8 indicates that the Starter Inhibitor Relay is stuck in the "Off" position, preventing the starter system from functioning properly.

2. What are the common symptoms of the P16F8 code in an Acura?

Common symptoms include the engine not cranking, the inability to start the vehicle, and possibly a check engine light or warning message on the dashboard.

3. What causes the P16F8 code to appear on an Acura?

Causes can include a faulty starter inhibitor relay, corroded or damaged wiring, a bad connection in the relay circuit, or a malfunctioning control module.

4. Can I still drive my Acura with a P16F8 code?

No, you cannot drive the vehicle because the P16F8 code typically prevents the engine from starting.

5. How do I diagnose the P16F8 code in my Acura?

Diagnosis involves checking the starter inhibitor relay, inspecting the wiring and connectors for damage or corrosion, and testing the relay circuit for proper voltage and continuity.

6. How do I fix the P16F8 code on my Acura?

Fixes may include replacing the faulty starter inhibitor relay, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the control module if necessary.

7. How much does it cost to repair the P16F8 code on an Acura?

Repair costs vary but typically range from $50 to $200 for parts and labor, depending on whether the issue is the relay, wiring, or control module.

8. Can a dead battery cause the P16F8 code on an Acura?

While a dead battery itself may not trigger the code, low voltage or poor connections can contribute to the relay failing to operate correctly.

9. Is the P16F8 code specific to Acura vehicles?

This code is commonly associated with Acura vehicles, but similar codes and symptoms may occur in other makes with similar starting system designs.

10. Do I need a mechanic to fix the P16F8 code on an Acura?

While some issues, like replacing a relay, can be done by experienced DIYers, diagnosing and repairing wiring or module problems is best left to a professional mechanic.

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