GMC U163D00
CAN Bus 3 üzerindeki görüntü işleme modülü - işlemci 1 ile iletişim kaybı.
Quick answer
U163D00 indicates a loss of communication with Image Processing Module – Processor 1 on CAN Bus 3.
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 U163D00 mean?
U163D00 indicates a loss of communication with Image Processing Module – Processor 1 on CAN Bus 3.
2. Technical explanation
Verified GMC diagnostic evidence defines U163D00 as: “Loss of Communication With Image Processing Module – Processor 1 on CAN Bus 3.” The supplied evidence does not establish the specific failure cause, diagnostic procedure, or repair.
3. What system is affected?
Image Processing Module – Processor 1 communication on CAN Bus 3.
4. How serious is this code?
Unknown. The verified evidence does not assign a severity level.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- 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?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis by a GMC-qualified service facility if the code is present.
- Do not attempt high-voltage or module repair procedures based on this code alone.
10. Step-by-step troubleshooting
- The verified evidence identifies the communication fault but does not provide verified owner-level troubleshooting steps.
- A service facility should use applicable GMC diagnostic information to evaluate the reported loss of communication.
11. When to contact service
Service requirement is not established by the supplied evidence. If U163D00 is confirmed, contact a GMC service facility for diagnosis.
12. What the service center may check
- Confirm whether U163D00 is present in the vehicle diagnostic system.
- Evaluate communication with Image Processing Module – Processor 1 on CAN Bus 3 using applicable GMC service information. Further checks are not established by the supplied evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- GMC Hummer EV · 2022 · GLOBAL
15. Related TSBs / service bulletins
- NHTSA / OEM manufacturer communication: GMC Hummer EV diagnostic evidence, source locator “Hummer EV | HUMMER EV Pickup | U163D00.” The supplied bulletin evidence confirms the code meaning only; no verified repair instruction is provided.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA / OEM manufacturer communication, “GMC Hummer EV diagnostic evidence”: https://static.nhtsa.gov/odi/tsbs/2022/MC-10208074-9999.pdf
- NHTSA / OEM manufacturer communication: GMC Hummer EV diagnostic evidence · technical_bulletin
19. Frequently asked questions
What does GMC code U163D00 mean?
It means there is a loss of communication with Image Processing Module – Processor 1 on CAN Bus 3.
Which vehicle is covered by the supplied evidence?
The supplied applicability evidence identifies the 2022 GMC Hummer EV, global region.
Is it safe to drive or charge with U163D00?
Not yet established by verified evidence.
What repair fixes U163D00?
Not yet established by verified evidence.