AutoCodes – Generic – B29C1

B29C1 Code - Electric Vehicle Supply Equipment

Quick Answer

The Diagnostic Trouble Code (DTC) sets when during normal charging, although the AC power source is being input, there is a break of the PWM communication signal from Electric Vehicle Supply Equipment (EVSE). Common causes include Faulty Electric Vehicle Supply Equipment (EVSE), Electric Vehicle Supply Equipment (EVSE) harness is open or shorted, Electric Vehicle Supply Equipment (EVSE) 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: B29C1 indicates Electric Vehicle Supply Equipment.
Common causes: Common causes include Faulty Electric Vehicle Supply Equipment (EVSE), Electric Vehicle Supply Equipment (EVSE) harness is open or shorted, Electric Vehicle Supply Equipment (EVSE) 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 3,082

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 Feb 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B29C1 Description

OBDII Code B29C1 - Electric Vehicle Supply Equipment - AutoCodes.com — B29C1 Code - Electric Vehicle Supply Equipment

What does this mean?

What are the Possible Causes of the DTC B29C1?

Faulty Electric Vehicle Supply Equipment (EVSE)
Electric Vehicle Supply Equipment (EVSE) harness is open or shorted
Electric Vehicle Supply Equipment (EVSE) circuit poor electrical connection
Faulty Power Delivery Module (PDM)

How to Fix the DTC B29C1?

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 B29C1 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 B29C1 code?

Need more information on how to fix the B29C1 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B29C1 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B29C1 Infiniti — Electric Vehicle Supply Equipment
B29C1 Nissan — Electric Vehicle Supply Equipment

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 B29C1 Code

1. What does OBDII code B29C1 for Electric Vehicle Supply Equipment mean?

This code indicates a fault related to the Electric Vehicle Supply Equipment, which is responsible for charging the electric vehicle.

2. What are the common symptoms of OBDII code B29C1?

Common symptoms include difficulty in charging the electric vehicle, slow charging speed, or the charging process stopping unexpectedly.

3. What are the possible causes of OBDII code B29C1?

Possible causes include issues with the charging cable, faulty connectors, problems with the charging station, or issues with the vehicle's charging system.

4. How can I diagnose the OBDII code B29C1?

Diagnosing this code typically involves checking the charging cable for damage, inspecting the connectors for corrosion, testing the charging station for proper functionality, and ensuring the vehicle's charging system is working correctly.

5. Are there any simple checks I can perform to troubleshoot OBDII code B29C1?

Yes, you can start by ensuring the charging cable is securely connected, checking for any visible damage to the cable or connectors, and trying to charge the vehicle at a different charging station if possible.

6. Can a DIY enthusiast repair OBDII code B29C1?

While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing issues related to Electric Vehicle Supply Equipment may require specialized knowledge and equipment, so it's recommended to consult a professional.

7. What should I do if I encounter OBDII code B29C1 while on the road?

If you encounter this code while on the road, it's best to safely park your vehicle, inspect the charging equipment for any visible issues, and contact a professional for further assistance if needed.

8. Is it safe to continue driving with OBDII code B29C1 present?

It is not recommended to continue driving with this code present, as it may indicate potential issues with the electric vehicle's charging system, which can affect its performance and safety.

9. Can extreme weather conditions cause OBDII code B29C1 to trigger?

Yes, extreme weather conditions such as heavy rain or snow can potentially cause issues with the Electric Vehicle Supply Equipment, leading to the triggering of OBDII code B29C1.

10. How much does it typically cost to repair OBDII code B29C1?

The cost of repairing this code can vary depending on the underlying issue, the extent of the repairs needed, and the labor rates of the service provider. It's advisable to get a professional diagnosis to determine the exact repair cost.