AutoCodes – Honda – P16BF Honda

P16BF Honda Code - Starter Cut Relay STRLY Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) compares the signal of the drive command to the starter and the return signal from the starter cut relay. Common causes include Faulty Starter Cut Relay, Starter Cut Relay harness is open or shorted, Starter Cut 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: P16BF Honda indicates Starter Cut Relay STRLY Circuit Malfunction.
Common causes: Common causes include Faulty Starter Cut Relay, Starter Cut Relay harness is open or shorted, Starter Cut 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 4,065

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16BF Honda Description

The Powertrain Control Module (PCM) compares the signal of the drive command to the starter and the return signal from the starter cut relay. When the signal of the drive command to the starter and the return signal from the starter cut relay do not coincide for a set time or more, the PCM detects a malfunction and a DTC is stored.

OBDII Code P16BF Honda - Starter Cut Relay STRLY Circuit Malfunction - AutoCodes.com — P16BF Honda Code - Starter Cut Relay STRLY Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P16BF Honda?

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

How to Fix the DTC P16BF 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 P16BF 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.

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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 P16BF Honda Code

1. What does the OBDII code P16BF mean on a Honda?

P16BF indicates a Starter Cut Relay (STRLY) Circuit Malfunction, meaning there is an issue with the circuit responsible for controlling the starter relay.

2. What are the symptoms of the P16BF code on a Honda?

Common symptoms include the engine not starting, intermittent starting issues, or the starter relay not engaging properly.

3. What causes the P16BF code to appear on a Honda?

Possible causes include a faulty starter cut relay, damaged or corroded wiring, poor electrical connections, or a malfunctioning PCM (Powertrain Control Module).

4. Can a bad starter cause the P16BF code on a Honda?

No, the P16BF code is related to the starter cut relay circuit, not the starter itself. However, issues in the circuit can prevent the starter from functioning.

5. How can I fix the P16BF code on my Honda?

Inspect the starter cut relay, wiring, and connectors for damage or corrosion. Replace the faulty components if needed and clear the code.

6. Is it safe to drive with the P16BF code on my Honda?

No, this code often results in starting issues, so it may leave you stranded. Itâ€™s best to address the issue promptly.

7. How do I diagnose the P16BF code on a Honda?

Use a multimeter to check the continuity and voltage in the starter cut relay circuit. Inspect the relay itself and test the PCM if no wiring issues are found.

8. Does the P16BF code always mean the relay is bad?

No, the issue could also stem from damaged wiring, poor connections, or a problem with the PCM.

9. How much does it cost to fix the P16BF code on a Honda?

Repair costs depend on the exact cause. Replacing a starter cut relay typically costs $50â€“$150, while wiring repairs or PCM replacement could cost more.

10. Can a weak battery trigger the P16BF code on a Honda?

A weak battery may not directly trigger this code but can cause intermittent starting issues, which might lead to misdiagnosis. Always check the battery before troubleshooting.