Verified EV diagnostic knowledge page

BMW 035BC7

RLM side panel left: Communication via Body_CAN faulty

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not yet established by verified evidence. A qualified BMW service provider can diagnose the reported Body_CAN communication fault and associated rear-light-system message.
Confidence97%

Quick answer

BMW code 035BC7 means: “RLM side panel left: Communication via Body_CAN faulty.” Verified evidence links it to a rear-left light-system fault message on a 2022 US BMW iX.

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 035BC7 mean?

BMW code 035BC7 means: “RLM side panel left: Communication via Body_CAN faulty.” Verified evidence links it to a rear-left light-system fault message on a 2022 US BMW iX.

2. Technical explanation

The verified manufacturer communication describes a condition in which Control Check messages 2052 (“Rear left light system faulty”) and/or 2053 (“Rear right light system faulty”) are displayed. During a vehicle test, 035BC7 may be stored for a Body_CAN communication fault involving the left RLM side panel. The supplied evidence does not establish the underlying component-level cause or a repair procedure.

3. What system is affected?

Rear lighting / RLM side panel left communication on the Body_CAN.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Control Check message 2052: “Rear left light system faulty.”
  • Control Check message 2053: “Rear right light system faulty.”
  • Fault code 035BC7 stored during a vehicle test.

6. Possible causes

  • A communication fault via Body_CAN involving the RLM side panel left is established by the code meaning.
  • The underlying cause is 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 qualified BMW service provider.
  • Record any displayed Control Check messages and the stored fault codes for the service visit.
  • Do not attempt high-voltage or electrical-system repairs based on this information.

10. Step-by-step troubleshooting

  1. Perform a vehicle test to confirm stored faults, as referenced in the manufacturer communication.
  2. Further diagnostic steps are not yet established by verified evidence.

11. When to contact service

Service need is not yet established by verified evidence. A qualified BMW service provider can diagnose the reported Body_CAN communication fault and associated rear-light-system message.

12. What the service center may check

  • Vehicle test for stored fault code 035BC7.
  • Review for Control Check message 2052 (“Rear left light system faulty”) and/or 2053 (“Rear right light system faulty”).

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 10227567: BMW bulletin B630622, published October 1, 2022. It addresses taillamp Control Check messages 2052 and 2053 and lists 035BC7 among related stored vehicle-test faults.

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10227567, BMW bulletin B630622: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10227567

19. Frequently asked questions

What does BMW code 035BC7 mean?

It means “RLM side panel left: Communication via Body_CAN faulty.”

Which vehicle is supported by the supplied applicability evidence?

The supplied evidence applies this code to the 2022 BMW iX in the US.

What warning may appear with 035BC7?

The cited BMW communication references Control Check message 2052, “Rear left light system faulty,” and message 2053, “Rear right light system faulty.”

Is it safe to drive or charge?

Not yet established by verified evidence.

20. Sources & verification

Verified
BMW 035BC7: RLM side panel left: Communication via Body_CAN faulty | EV Diagnostics