Volvo Auto Hold service required
Auto Hold service required
Quick answer
For specified US Volvo models, “Auto Hold service required” is an official Volvo message covered by Technical Journal (TJ) 34647. The supplied evidence links it to cases where the message appears with certain diagnostic trouble codes; diagnosis should follow the journal’s Service instructions.
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 Auto Hold service required mean?
For specified US Volvo models, “Auto Hold service required” is an official Volvo message covered by Technical Journal (TJ) 34647. The supplied evidence links it to cases where the message appears with certain diagnostic trouble codes; diagnosis should follow the journal’s Service instructions.
2. Technical explanation
Volvo TJ 34647 states that when the driver information module (DIM) displays “Auto Hold service required” or “Parking brake not fully released” in combination with listed DTCs, technicians should follow the journal’s Service instructions. The supplied excerpt identifies BCM DTCs B111177 and B111167, both marked intermittent, and an SRS code beginning U2C8; the full SRS code is not established in the supplied evidence.
3. What system is affected?
Auto Hold / parking-brake-related warning message. The supplied TSB excerpt references the Brake Control Module (BCM) and the Supplemental Restraint System (SRS), but does not establish a complete component-level fault diagnosis.
4. How serious is this code?
Unknown. The verified evidence does not assign a severity level.
5. Symptoms you may notice
- Driver information module (DIM) message: “Auto Hold service required.”
- The related DIM message “Parking brake not fully released” is also referenced by Volvo TJ 34647.
- The supplied evidence does not establish additional vehicle symptoms.
6. Possible causes
- The verified evidence establishes that this message may be evaluated when present with BCM DTC B111177 (intermittent).
- The verified evidence establishes that this message may be evaluated when present with BCM DTC B111167 (intermittent).
- The supplied excerpt also references an SRS DTC beginning “U2C8,” but does not provide the full code or fault type.
- A 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 diagnosis by a Volvo retailer or qualified service facility.
- Record the exact displayed message and any accompanying warning indicators.
- Do not attempt brake, parking-brake, SRS, or high-voltage repairs based on this alert.
10. Step-by-step troubleshooting
- A service facility should retrieve stored DTCs and determine whether the message is present in combination with the DTCs referenced by Volvo TJ 34647.
- If the applicable conditions are present, follow the Service instructions in the current version of Volvo TJ 34647.
- Further owner-performed troubleshooting is not established by the supplied verified evidence.
11. When to contact service
Service is recommended because Volvo has a Technical Journal with diagnostic Service instructions for this message when it occurs with specified DTCs. The urgency is not established by the supplied evidence.
12. What the service center may check
- Check for DIM message “Auto Hold service required” and/or “Parking brake not fully released.”
- Check the BCM for B111177, fault type intermittent.
- Check the BCM for B111167, fault type intermittent.
- Check whether the referenced SRS DTC beginning U2C8 is present; the complete code is not available in the supplied evidence.
- Use the latest online version of Volvo TJ 34647, as the journal notes that printed copies should be checked against the current online version.
13. Possible repair or resolution
- The exact repair or resolution is not established by the supplied evidence because the Service instructions from Volvo TJ 34647 were not provided.
14. Affected vehicles
- Volvo S60 · 2016–2022 · US
- Volvo S90 · 2016–2022 · US
- Volvo V60 · 2016–2022 · US
- Volvo XC40 · 2016–2022 · US
- Volvo XC60 · 2016–2022 · US
- Volvo XC90 · 2016–2022 · US
15. Related TSBs / service bulletins
- Volvo Technical Journal 34647, NHTSA Manufacturer Communication 10202440, published July 19, 2021. It addresses “Auto Hold service required” and “Parking brake not fully released” when present with specified DTCs and directs technicians to its Service instructions.
16. Recall information
- No recall is established by the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication 10202440, Volvo TJ 34647: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10202440
19. Frequently asked questions
What does “Auto Hold service required” mean on an applicable Volvo?
It is a DIM warning message addressed by Volvo TJ 34647. The supplied evidence says that, when the message is present with specified DTCs, technicians should follow the journal’s Service instructions.
Which vehicles are covered by the supplied applicability evidence?
US-market Volvo S60, S90, V60, XC40, XC60, and XC90 model years 2016 through 2022.
Can I continue driving?
Not yet established by verified evidence.
What trouble codes are referenced?
The supplied TJ excerpt identifies BCM B111177 intermittent and BCM B111167 intermittent. It also references an SRS code beginning U2C8, but the full code is not provided.