Chevrolet B1008 SYM4B
- Verify the front view camera module bracket (5) is fully seated down and secured on the windshield pins (6), shown below. - Verify the front view camera module is secured properl
Common search variants: B1008SYM4B · B1008-SYM4B · B1008_SYM4B · Search ignores case and common separators.
Quick answer
B1008 SYM4B indicates that the front view camera module has determined it is not properly mounted and/or its view is blocked. Chevrolet service guidance says not to replace the camera module when this is the only stored DTC; inspect camera mounting and its clear forward view first.
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1. What does B1008 SYM4B mean?
B1008 SYM4B indicates that the front view camera module has determined it is not properly mounted and/or its view is blocked. Chevrolet service guidance says not to replace the camera module when this is the only stored DTC; inspect camera mounting and its clear forward view first.
2. Technical explanation
Verified Chevrolet service information identifies B1008 SYM4B as a front view camera concern related to camera mounting or a blocked field of view. The camera bracket should be fully seated on the windshield pins, the camera should be properly secured to its bracket, and the camera must have a clear view of the road ahead. If camera replacement becomes necessary, the replacement module must be SPS programmed before calibration/learn is performed.
3. What system is affected?
Front view camera module and its windshield-mounted bracket.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- B1008 SYM4B stored as a diagnostic trouble code.
- The front view camera module has determined that it is not properly mounted and/or there is a blockage of its view.
6. Possible causes
- Front view camera module bracket not fully seated down or secured on the windshield pins.
- Front view camera module not properly secured to its bracket.
- A blockage preventing the front view camera module from having a clear field of vision to the road ahead.
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 service provider or qualified technician.
- Do not replace the front view camera module solely because B1008 SYM4B is the only DTC.
- Have the camera mounting, bracket seating, and forward field of view checked.
10. Step-by-step troubleshooting
- Verify that the front view camera module bracket is fully seated down and secured on the windshield pins.
- Verify that the front view camera module is properly secured to the bracket.
- Verify that the camera has a clear field of vision to the road ahead and check for a blockage.
- If a replacement front view camera module is installed, SPS program it before performing calibration/learn.
11. When to contact service
Contact a Chevrolet dealer or qualified service provider for inspection of the front view camera installation and field of view. Service urgency is not yet established by verified evidence.
12. What the service center may check
- Inspect whether the camera bracket is fully seated and secured on the windshield pins.
- Inspect whether the camera module is properly secured to the bracket.
- Inspect for a blocked camera view of the road ahead.
- If replacement is required, SPS program the replacement module before calibration/learn.
13. Possible repair or resolution
- Do not replace the front view camera module if it is only setting B1008 SYM4B.
- Repair mounting, retention, or field-of-view issues as necessary.
- SPS program a replacement front view camera module before calibration/learn, if replacement is required.
14. Affected vehicles
- Chevrolet Bolt EV · 2017–2020 · US
- Chevrolet Bolt EV · 2017–2019 · US
- Chevrolet Bolt EV · 2017–2018 · US
- Chevrolet Bolt EV · 2017 · US
15. Related TSBs / service bulletins
- Chevrolet PIT5535B, NHTSA Manufacturer Communication 10114065, published July 7, 2017.
- Chevrolet PIT5535C, NHTSA Manufacturer Communication 10143756, published July 6, 2018.
- Chevrolet PIT5535D, NHTSA Manufacturer Communication 10163657, published July 9, 2019.
- Chevrolet PIT5535E, NHTSA Manufacturer Communication 10167460, published October 25, 2019.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Verified NHTSA-hosted Chevrolet manufacturer communications: PIT5535B, PIT5535C, PIT5535D, and PIT5535E. The provided applicability data identifies US Chevrolet Bolt EV model years 2017 through 2020.
- NHTSA: NHTSA Manufacturer Communication PDF 10114065: PIT5535B · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10143756: PIT5535C · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10163657: PIT5535D · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10167460: PIT5535E · official_tsb
19. Frequently asked questions
What does B1008 SYM4B mean?
Verified Chevrolet service information states that the front view camera module has determined it is not properly mounted and/or there is a blockage of its view.
Should the front view camera be replaced for B1008 SYM4B?
Chevrolet guidance says not to replace the front view camera module when B1008 SYM4B is the only DTC. The mounting and camera field of view should be checked first.
What is checked first?
The camera bracket seating on the windshield pins, camera retention in the bracket, and a clear forward field of vision are the specified checks.
Does a replacement camera require programming?
Yes. Chevrolet guidance states that a replacement front view camera module must be SPS programmed before calibration/learn is performed.