Chevrolet P0BBD
Vehicle • If DTC P0BBD is not supported an error has occurred during programming, repeat Procedure 3: Software Flashing Procedure. 5816637 3. If the customer is not waiting, plug-i
Quick answer
For a 2019 Chevrolet Bolt EV in the US, verified GM/NHTSA service information identifies P0BBD as a DTC that should run and pass after the applicable programming process. If P0BBD is not supported, the bulletin says a programming error occurred and Procedure 3, Software Flashing Procedure, should be repeated.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
Videos are supporting material and never override OEM or regulator evidence.
1. What does P0BBD mean?
For a 2019 Chevrolet Bolt EV in the US, verified GM/NHTSA service information identifies P0BBD as a DTC that should run and pass after the applicable programming process. If P0BBD is not supported, the bulletin says a programming error occurred and Procedure 3, Software Flashing Procedure, should be repeated.
2. Technical explanation
The supplied official manufacturer communication directs technicians to check P0BBD in Hybrid Powertrain Control Module 2 after programming. If P0BBD has run and passed during that ignition cycle, the procedure proceeds. If it has failed, the technician is directed to the Vehicle DTC List. If P0BBD is not supported, the communication states that an error occurred during programming and instructs repeating the software flashing procedure. The evidence does not establish a general component-level definition, root cause, or repair for P0BBD outside this programming context.
3. What system is affected?
Hybrid Powertrain Control Module 2, in the verified post-programming diagnostic procedure.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
Not yet established by verified evidence.
6. Possible causes
- In the verified programming context, P0BBD not being supported indicates an error occurred during programming.
- Other causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
The official communication instructs technicians, when the customer is not waiting, to plug in and charge the vehicle until battery-pack state of charge is 80% or greater. This does not establish general charging safety or suitability for every P0BBD condition.
9. What you can safely do
- Arrange diagnosis by a qualified Chevrolet/GM service facility if P0BBD is present or programming has failed.
- Do not attempt high-voltage battery or control-module repairs yourself.
- If a service appointment permits it, the cited communication instructs charging to at least 80% state of charge; follow vehicle charging instructions and any service-provider direction.
10. Step-by-step troubleshooting
- Using module diagnostics, select Hybrid Powertrain Control Module 2.
- Select the Diagnostic Trouble Codes folder and then Specific DTC.
- Verify whether P0BBD has run and passed during the current ignition cycle.
- If P0BBD has failed, follow the Vehicle DTC List as directed by the official communication.
- If P0BBD is not supported, repeat Procedure 3: Software Flashing Procedure, as specified in the communication.
11. When to contact service
Contact a Chevrolet/GM service facility for diagnosis and programming support. The supplied evidence describes a technician programming and verification procedure.
12. What the service center may check
- Check P0BBD status in Hybrid Powertrain Control Module 2 after programming.
- Confirm whether P0BBD ran and passed during the ignition cycle.
- If the DTC is unsupported, repeat the software flashing procedure.
- Where applicable and the customer is not waiting, charge the battery pack to 80% or greater before continuing the cited procedure.
13. Possible repair or resolution
- Repeat Procedure 3: Software Flashing Procedure when P0BBD is not supported, because the official communication identifies that condition as a programming error.
- No additional repair resolution is established by the supplied verified evidence.
14. Affected vehicles
- Chevrolet Bolt EV · 2019 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 10194132, N202323690, published April 29, 2021. It provides a post-programming check for P0BBD on the applicable 2019 Chevrolet Bolt EV and directs repeating the software flashing procedure if P0BBD is not supported.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication PDF 10194132: N202323690, published 2021-04-29. https://static.nhtsa.gov/odi/tsbs/2021/MC-10194132-9999.pdf
19. Frequently asked questions
What does P0BBD mean for the 2019 Chevrolet Bolt EV?
In the supplied official communication, P0BBD is used as a post-programming verification DTC in Hybrid Powertrain Control Module 2. The evidence does not establish a broader general meaning.
What if P0BBD is not supported?
The official communication states that an error occurred during programming and directs repeating Procedure 3: Software Flashing Procedure.
Can I drive with P0BBD?
Not yet established by verified evidence.
Can I charge the vehicle with P0BBD?
Not yet established by verified evidence. The communication does instruct charging to 80% or greater in a specified service-procedure circumstance when the customer is not waiting.