Volvo U210993
06 Technical Journal 35808.1.3 CSC Customer Symptom Codes Code Description 6K Mobile app V olvo Cars/Activation p
Quick answer
For specified 2022 US Volvo S90, XC40, and XC60 vehicles, DTC TCAM-U210993 may occur with “eCall service required” warnings in the Driver Information Module and Center Console Display. Volvo Technical Journal 35808.1.3 identifies the code as pointing to the BUB (backup battery) and directs service personnel to its service procedure.
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 U210993 mean?
For specified 2022 US Volvo S90, XC40, and XC60 vehicles, DTC TCAM-U210993 may occur with “eCall service required” warnings in the Driver Information Module and Center Console Display. Volvo Technical Journal 35808.1.3 identifies the code as pointing to the BUB (backup battery) and directs service personnel to its service procedure.
2. Technical explanation
Verified evidence identifies U210993 as a TCAM (Telematic Connectivity Antenna Module) DTC associated with the BUB, or backup battery, when it appears together with an “eCall service required” message. The source does not provide a complete fault-definition expansion beyond this association.
3. What system is affected?
Telematic Connectivity Antenna Module (TCAM), backup battery (BUB), and eCall-related warning display functions.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- “eCall service required” warning message in the Driver Information Module (DIM).
- “eCall service required” warning message in the Center Console Display (CCD).
- Stored DTC TCAM-U210993 pointing to the BUB.
6. Possible causes
- The verified Technical Journal associates TCAM-U210993 with the BUB (backup battery). A more specific root 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 assessment by an authorized Volvo service provider if the eCall warning and TCAM-U210993 are present.
- Record the exact warning message and any diagnostic codes before service, if they can be read without disassembly or electrical work.
10. Step-by-step troubleshooting
- Volvo Technical Journal 35808.1.3 instructs service personnel to follow its Service procedure when an “eCall service required” warning is present with TCAM-U210993 pointing to the BUB.
- The supplied evidence notes an alternative BUB charging method was added to the Technical Journal, but does not provide the procedure details.
11. When to contact service
Contact an authorized Volvo service provider for diagnosis and application of Technical Journal 35808.1.3 when this DTC occurs with the eCall warning.
12. What the service center may check
- Confirm whether “eCall service required” is displayed in the DIM and CCD.
- Retrieve and confirm DTC TCAM-U210993.
- Follow the Service procedure in Volvo Technical Journal 35808.1.3, including its referenced alternative BUB charging method where applicable.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied Technical Journal excerpt refers technicians to a service procedure but does not provide the repair outcome or full procedure.
14. Affected vehicles
- Volvo S90 · 2022 · US
- Volvo XC40 · 2022 · US
- Volvo XC60 · 2022 · US
15. Related TSBs / service bulletins
- Volvo Technical Journal 35808.1.3, published May 6, 2022; NHTSA manufacturer communication MC-10213888-9999 (TJ3580813). It applies in the supplied data to 2022 US Volvo S90, XC40, and XC60 vehicles and addresses “eCall service required” together with TCAM-U210993 pointing to the BUB.
- The journal notes that vehicle types were added and an alternative BUB charging method was added. The supplied evidence does not contain the full method.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA manufacturer communication MC-10213888-9999, Volvo Technical Journal 35808.1.3, published 2022-05-06: https://static.nhtsa.gov/odi/tsbs/2022/MC-10213888-9999.pdf
19. Frequently asked questions
What does Volvo DTC U210993 indicate?
In the supplied Volvo Technical Journal, TCAM-U210993 is described as pointing to the BUB, meaning the backup battery, when it occurs with an “eCall service required” warning.
Which vehicles are covered by the supplied applicability data?
2022 US Volvo S90, XC40, and XC60 vehicles.
Can I continue driving or charging?
Not yet established by verified evidence.
Is this a recall?
The supplied evidence identifies a Technical Journal/manufacturer communication, not a recall. Recall status is not yet established by verified evidence.