AutoCodes – Honda – P1DFF Honda

P1DFF Honda Code - Battery Condition Monitor Module Relay B Stuck On

Quick Answer

The battery condition monitor module commands IGHLDB relay to turn ON or permit it to turn OFF. Common causes include Faulty Battery Condition Monitor Module Relay B, Battery Condition Monitor Module Relay B harness is open or shorted, Battery Condition Monitor Module Relay B 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: P1DFF Honda indicates Battery Condition Monitor Module Relay B Stuck On.
Common causes: Common causes include Faulty Battery Condition Monitor Module Relay B, Battery Condition Monitor Module Relay B harness is open or shorted, Battery Condition Monitor Module Relay B 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 2,610

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 Apr 18, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1DFF Honda Description

The battery condition monitor module commands IGHLDB relay to turn ON or permit it to turn OFF. Normally, when IGHLDB relay is OFF, the battery condition monitor module is in sleep mode. When the battery condition monitor module remains powered for a specified duration after the battery condition monitor module commands IGHLDB relay to turn OFF, a malfunction is detected and a DTC is stored.

OBDII Code P1DFF Honda - Battery Condition Monitor Module Relay B Stuck On - AutoCodes.com — P1DFF Honda Code - Battery Condition Monitor Module Relay B Stuck On

What does this mean?

What are the Possible Causes of the DTC P1DFF Honda?

Faulty Battery Condition Monitor Module Relay B
Battery Condition Monitor Module Relay B harness is open or shorted
Battery Condition Monitor Module Relay B circuit poor electrical connection

How to Fix the DTC P1DFF 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 P1DFF 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 P1DFF Honda 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 P1DFF Honda Code

1. What are common symptoms of OBDII code P1DFF in a Honda related to the Battery Condition Monitor Module Relay B being stuck on?

The common symptoms include a drain on the battery, difficulty starting the vehicle, and potential issues with the electrical system.

2. What can cause the Battery Condition Monitor Module Relay B to be stuck on and trigger OBDII code P1DFF in a Honda?

The most common causes include a malfunctioning relay, wiring issues, or a fault in the Battery Condition Monitor Module itself.

3. How serious is OBDII code P1DFF related to the Battery Condition Monitor Module Relay B being stuck on in a Honda?

This code should be addressed promptly as it can lead to battery drainage and potential electrical system problems if left unresolved.

4. Can I continue driving my Honda with OBDII code P1DFF indicating an issue with the Battery Condition Monitor Module Relay B?

It is not recommended to drive the vehicle with this code present, as it can lead to unexpected battery issues and potential breakdowns.

5. How can I diagnose OBDII code P1DFF in a Honda related to the Battery Condition Monitor Module Relay B being stuck on?

Diagnosis typically involves inspecting the relay, checking the wiring for any faults, and testing the Battery Condition Monitor Module for proper functionality.

6. What are some repair tips for addressing OBDII code P1DFF in a Honda due to the Battery Condition Monitor Module Relay B issue?

Repair tips may include replacing the faulty relay, repairing any damaged wiring, or recalibrating the Battery Condition Monitor Module as needed.

7. Can a DIY enthusiast fix OBDII code P1DFF caused by the Battery Condition Monitor Module Relay B being stuck on in a Honda?

While some basic troubleshooting can be done by a DIYer, it is recommended to seek professional help for proper diagnosis and repair to ensure the issue is addressed correctly.

8. How much does it typically cost to repair OBDII code P1DFF related to the Battery Condition Monitor Module Relay B in a Honda?

Repair costs can vary depending on the extent of the issue, but they may range from a few hundred to a thousand dollars, including parts and labor.

9. How often does the Battery Condition Monitor Module Relay B issue triggering OBDII code P1DFF occur in Honda vehicles?

While not extremely common, this issue can occur in Honda vehicles, especially in older models or those with high mileage.

10. Is there a way to prevent OBDII code P1DFF related to the Battery Condition Monitor Module Relay B from occurring in my Honda?

Regular maintenance, including checking the battery condition and electrical system, can help prevent this issue. Additionally, addressing any warning signs promptly can prevent further complications.