AutoCodes – Honda – P1D0C Honda

P1D0C Honda Code - Generator Motor Control Module Lost Communication With VCU

Quick Answer

The Voltage Control Unit (VCU) uses an internal timer to measure the intervals between serial communication data updates. Common causes include Faulty Generator Motor Control Module, Generator Motor Control Module harness is open or shorted, Generator Motor Control Module 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: P1D0C Honda indicates Generator Motor Control Module Lost Communication With VCU.
Common causes: Common causes include Faulty Generator Motor Control Module, Generator Motor Control Module harness is open or shorted, Generator Motor Control Module 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 866

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 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1D0C Honda Description

The Voltage Control Unit (VCU) uses an internal timer to measure the intervals between serial communication data updates. When an update is not received for a specified time, a serial communication reception malfunction is detected and a DTC is stored.

OBDII Code P1D0C Honda - Generator Motor Control Module Lost Communication With VCU - AutoCodes.com — P1D0C Honda Code - Generator Motor Control Module Lost Communication With VCU

What does this mean?

What are the Possible Causes of the DTC P1D0C Honda?

Faulty Generator Motor Control Module
Generator Motor Control Module harness is open or shorted
Generator Motor Control Module circuit poor electrical connection

How to Fix the DTC P1D0C 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 P1D0C 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 P1D0C Honda code?

Need more information on how to fix the P1D0C Honda code? Get Access to Factory Service Manuals

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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 P1D0C Honda Code

1. What are the common symptoms of OBDII code P1D0C in a Honda related to Generator Motor Control Module Lost Communication With VCU?

- Common symptoms include poor engine performance, reduced fuel efficiency, and potential issues with the hybrid system.

2. What are the possible causes of OBDII code P1D0C in a Honda?

- The code P1D0C can be triggered by communication failures between the Generator Motor Control Module and the Vehicle Control Unit (VCU), faulty wiring, or a malfunctioning control module.

3. How can I diagnose the OBDII code P1D0C in my Honda?

- Diagnosis involves using an OBDII scanner to retrieve the code, checking the wiring connections between the modules, and performing a thorough inspection of the control modules for any visible damage.

4. Can I continue driving my Honda with the OBDII code P1D0C present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the hybrid system and potentially affect the vehicle's overall performance.

5. What are some repair tips for addressing OBDII code P1D0C in a Honda?

- Repair tips include checking and repairing any damaged wiring connections, ensuring proper communication between modules, and resetting the fault code to see if it reoccurs.

6. Is it possible to reset the OBDII code P1D0C in a Honda without addressing the underlying issue?

- While you can clear the code temporarily, it is important to address the underlying communication issue between the modules to prevent the code from reappearing.

7. How much does it typically cost to repair OBDII code P1D0C in a Honda?

- The cost of repair can vary depending on the extent of the issue, but it may involve replacing faulty components, which can range from a few hundred to over a thousand dollars.

8. Can a DIY enthusiast fix OBDII code P1D0C in a Honda, or is it best left to professionals?

- While some basic checks and inspections can be performed by DIY enthusiasts, diagnosing and repairing complex communication issues between control modules may be best left to experienced professionals.

9. Are there any common related codes that may appear alongside P1D0C in a Honda?

- Other related codes that may appear alongside P1D0C include communication error codes related to other control modules in the vehicle's hybrid system.

10. How can I prevent OBDII code P1D0C from occurring in my Honda in the future?

- To prevent the code from occurring, it's important to regularly maintain and inspect the vehicle's hybrid system, including checking for loose or damaged wiring connections and addressing any communication issues promptly.