AutoCodes – Honda – P16F8 Honda

P16F8 Honda 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 Honda 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 4,222
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 Honda 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 Honda - Starter Inhibitor Relay Stuck Off - AutoCodes.com
P16F8 Honda Code - Starter Inhibitor Relay Stuck Off

What are the Possible Causes of the DTC P16F8 Honda?

  • 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 Honda?

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 Honda 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 Honda code?

Need more information on how to fix the P16F8 Honda code? Get Access to Factory Service Manuals

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 Honda Code

1. What are the common symptoms of OBDII code P16F8 in a Honda, indicating a Starter Inhibitor Relay Stuck Off issue?

- Common symptoms include difficulty starting the vehicle, the engine not cranking, and the inability to shift out of park.

2. What could be causing the Starter Inhibitor Relay to be stuck off in a Honda, triggering code P16F8?

- The issue is often caused by a faulty starter inhibitor relay, a damaged wiring harness, a faulty ignition switch, or a malfunctioning transmission range sensor.

3. How can I diagnose the Starter Inhibitor Relay Stuck Off problem in my Honda when OBDII code P16F8 is present?

- Diagnosis typically involves testing the starter inhibitor relay, checking the wiring for any damage, inspecting the ignition switch, and testing the transmission range sensor.

4. Is it safe to continue driving my Honda with OBDII code P16F8 related to the Starter Inhibitor Relay issue?

- It is not recommended to drive the vehicle with this issue as it may result in starting problems and potential safety hazards. It is best to address the problem promptly.

5. Can I repair the Starter Inhibitor Relay Stuck Off issue related to OBDII code P16F8 in my Honda by myself?

- Depending on your automotive knowledge and skills, you may be able to replace the faulty starter inhibitor relay or repair damaged wiring yourself. However, complex diagnosis and repairs may require professional assistance.

6. How much does it typically cost to repair the Starter Inhibitor Relay Stuck Off issue in a Honda triggering OBDII code P16F8?

- The cost of repair can vary depending on the root cause of the issue and whether you perform the repair yourself or take it to a professional. Costs may range from a few hundred to over a thousand dollars.

7. Are there any temporary solutions or quick fixes for the Starter Inhibitor Relay Stuck Off problem in a Honda with OBDII code P16F8?

- While temporary fixes may not fully resolve the issue, you can try tapping on the starter inhibitor relay to see if it frees up temporarily. However, a permanent fix will require proper diagnosis and repair.

8. Will resetting the OBDII code P16F8 related to the Starter Inhibitor Relay issue make the problem go away?

- Resetting the code may temporarily clear the check engine light, but it will not fix the underlying problem causing the Starter Inhibitor Relay Stuck Off issue. Proper diagnosis and repair are necessary.

9. How long does it typically take to repair the Starter Inhibitor Relay Stuck Off issue triggering OBDII code P16F8 in a Honda?

- The repair time can vary depending on the exact cause of the issue, the availability of parts, and whether you are doing the repair yourself or taking it to a professional. It may take a few hours to a day or more.

10. Can a faulty Starter Inhibitor Relay causing OBDII code P16F8 lead to other issues in my Honda if left unrepaired?

- Yes, leaving the issue unresolved can lead to starting problems, potential safety concerns, and additional damage to related components. It is important to address the problem promptly.

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