Chevrolet P0BDC
Drive Motor Inverter Temperature Sensor 5 Performance Cause This condition may be caused by a software anomaly. Correction An updated software calibration has been released to addr
Quick answer
For a 2017 Chevrolet Bolt EV in the US, DTC P0BDC is identified in GM/NHTSA communication 18NA064 as “Drive Motor Inverter Temperature Sensor 5 Performance.” The bulletin says the condition may be caused by a software anomaly and that an updated software calibration was released to address it.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P0BDC mean?
For a 2017 Chevrolet Bolt EV in the US, DTC P0BDC is identified in GM/NHTSA communication 18NA064 as “Drive Motor Inverter Temperature Sensor 5 Performance.” The bulletin says the condition may be caused by a software anomaly and that an updated software calibration was released to address it.
2. Technical explanation
Verified evidence links P0BDC to the driver motor power inverter module. GM communication 18NA064 states that P0BDC may be set because of a software anomaly. Its specified correction is updated software calibration, with the service procedure referring technicians to Hybrid Powertrain Control Module Programming and Setup in GM Service Information.
3. What system is affected?
Driver motor power inverter module; specifically the Drive Motor Inverter Temperature Sensor 5 performance diagnostic.
4. How serious is this code?
Not yet established by verified evidence. The supplied bulletin does not assign a severity level.
5. Symptoms you may notice
- Malfunction Indicator Lamp (MIL) may illuminate.
- A “Propulsion Power Reduced” message may be displayed in the Driver Information Center (DIC).
6. Possible causes
- A software anomaly may cause this condition, according to GM communication 18NA064.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by a Chevrolet/GM-qualified service facility, particularly if the MIL is illuminated or a Propulsion Power Reduced message is displayed.
- Do not attempt high-voltage inverter diagnosis or programming procedures yourself.
10. Step-by-step troubleshooting
- Have a qualified technician confirm the stored DTCs in the driver motor power inverter module.
- Have the technician check whether GM communication 18NA064 and its updated software calibration apply to the vehicle.
- The bulletin directs technicians to Hybrid Powertrain Control Module Programming and Setup in GM Service Information.
11. When to contact service
Contact a Chevrolet dealer or qualified GM EV service facility to diagnose P0BDC and determine whether the applicable updated calibration should be installed.
12. What the service center may check
- Retrieve and document DTCs from the driver motor power inverter module.
- Verify applicability of GM/NHTSA manufacturer communication 18NA064.
- Perform the applicable Hybrid Powertrain Control Module Programming and Setup procedure using GM Service Information.
13. Possible repair or resolution
- GM communication 18NA064 states that an updated software calibration has been released to address this condition.
- The exact outcome for an individual vehicle is not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Bolt EV · 2017 · US
15. Related TSBs / service bulletins
- GM communication 18NA064, published February 27, 2018; NHTSA manufacturer communication PDF 10137291. It applies in the supplied evidence to the 2017 Chevrolet Bolt EV in the US and includes P0BDC among listed driver motor power inverter module DTCs.
- Source: https://static.nhtsa.gov/odi/tsbs/2018/MC-10137291-9999.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
NHTSA-hosted GM manufacturer communication 18NA064: https://static.nhtsa.gov/odi/tsbs/2018/MC-10137291-9999.pdf
19. Frequently asked questions
What does P0BDC mean on a 2017 Chevrolet Bolt EV?
The supplied official GM/NHTSA communication identifies P0BDC as Drive Motor Inverter Temperature Sensor 5 Performance.
What can cause P0BDC?
GM communication 18NA064 says this condition may be caused by a software anomaly.
What repair does GM specify?
The communication says an updated software calibration has been released and directs technicians to Hybrid Powertrain Control Module Programming and Setup in GM Service Information.
Can P0BDC cause reduced propulsion power?
The bulletin states that a Propulsion Power Reduced message may be displayed and lists P0BDC among the possible DTCs. It does not establish that P0BDC alone always causes that message.