Chevrolet B020A
Correction Do not replace any parts at this ti
Quick answer
For certain 2025–2026 Chevrolet Blazer and Equinox vehicles in the U.S., DTC B020A may be a false code associated with a software anomaly and an intermittent “Service Camera System” message. GM bulletin PIT6274C states: do not replace any parts at this time.
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 B020A mean?
For certain 2025–2026 Chevrolet Blazer and Equinox vehicles in the U.S., DTC B020A may be a false code associated with a software anomaly and an intermittent “Service Camera System” message. GM bulletin PIT6274C states: do not replace any parts at this time.
2. Technical explanation
Verified evidence identifies B020A in GM/NHTSA manufacturer communication PIT6274C. The bulletin says an intermittent Service Camera System message may occur and B020A, B1C64, or B1C48 may be stored as current or history codes. The stated cause is a false DTC and/or message due to a software anomaly. The supplied evidence does not establish a fuller code definition beyond the bulletin context.
3. What system is affected?
Camera system, based on the intermittent “Service Camera System” message described in PIT6274C.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- An intermittent “Service Camera System” message may be displayed.
- B020A may be stored as a current or history DTC.
6. Possible causes
- A software anomaly may create a false DTC and/or false Service Camera System message.
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
- Do not replace parts based on this code alone; PIT6274C states not to replace any parts at this time.
- Arrange diagnosis with a Chevrolet dealer or qualified service facility if the message or code is present.
10. Step-by-step troubleshooting
- Confirm whether B020A is stored as a current or history code.
- Check for the intermittent “Service Camera System” message described in PIT6274C.
- Have the service facility review GM bulletin PIT6274C and applicable software information.
11. When to contact service
Contact a Chevrolet dealer or qualified service facility, particularly if the Service Camera System message recurs. Provide DTC B020A and reference GM/NHTSA manufacturer communication PIT6274C.
12. What the service center may check
- Retrieve diagnostic codes and determine whether B020A is current or history.
- Verify whether the vehicle displays the intermittent Service Camera System message.
- Review applicability of PIT6274C and available software-related service information.
13. Possible repair or resolution
- PIT6274C states not to replace any parts at this time.
- A specific repair or final resolution is not established by the supplied verified evidence.
14. Affected vehicles
- Chevrolet Blazer · 2025–2026 · US
- Chevrolet Equinox · 2025–2026 · US
15. Related TSBs / service bulletins
- PIT6274C, published July 16, 2025. It applies in the supplied evidence to certain 2025–2026 Chevrolet Blazer and Equinox vehicles in the U.S. The bulletin describes B020A, B1C64, and B1C48 as possible false current or history DTCs associated with an intermittent Service Camera System message and a software anomaly.
- NHTSA communication: https://static.nhtsa.gov/odi/tsbs/2025/MC-11020879-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted GM manufacturer communication PIT6274C: https://static.nhtsa.gov/odi/tsbs/2025/MC-11020879-0001.pdf
19. Frequently asked questions
What does B020A mean on an applicable Chevrolet Blazer or Equinox?
The supplied verified evidence does not provide a complete standalone definition. PIT6274C identifies B020A as a possible current or history DTC that may occur with an intermittent Service Camera System message.
What causes B020A under PIT6274C?
PIT6274C states that a software anomaly can cause a false DTC and/or false message.
Should parts be replaced for B020A?
No parts should be replaced at this time according to PIT6274C.
Which vehicles are established as applicable?
The supplied applicability evidence identifies U.S. 2025–2026 Chevrolet Blazer and 2025–2026 Chevrolet Equinox vehicles.