Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
2 distinct recall campaigns
22,411 mi median reported failure mileage
Scope: 2020 to 2025 model years. Data updated: . 1 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Owner-reported patterns
Most common problems
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
Recurring terms in complaint narratives
Topic
Matching reports
Share of complaints
Braking behavior
1
100.0%
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
1
Component breakdown data
Category
Count
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
1
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
Under 25,000
1
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
Category
Count
Under 25,000
1
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
2025
1
Complaints over time data
Category
Count
2025
1
2025: 1
Pattern summary
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software leads the component reports. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
1 unique complaints in this selection. Analysis snapshot: 2026-09-30.
100.0%Usable mileage1 / 1 records
100.0%Valid incident date1 / 1 records
100.0%Valid filing date1 / 1 records
100.0%Ordered incident and filing dates1 / 1 records
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
Component complaint heatmap
Component
2020
2023
2025
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
0Unavailable
No examples available for this selection.
1100.0%ODI 11681933 · 22,411 mi
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
Component failure mileage distribution
Component
Mileage range (25th–75th percentile)
Median
Usable records
Examples
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
Too few reports for a range
22,411 mi
1 (sparse)
ODI 11681933 · 22,411 mi
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2020: 0 complaints · 2023: 1 complaints
Equal observation windows
Model year
Through age 0
Through age 1
Through age 2
2020
0
0
0
2023
0
0
1
Date coverage across each selected cohort
Date basis for all complaints in selected model years
Year
Incident dates used
Filing date fallbacks
Excluded dates
2020
0
0
0
2023
1
0
0
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
Component co-occurrence matrix
Component
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
Service Brakes, Hydraulic:Power Assist:Electric:Control Module:Software
—
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
2 patterns with matching reports.
Brake response concerns
1 mentions · 100.0% of complaints
Median mileage: 22,411 mi (1 usable records).
ODI 11681933 · 22,411 mi
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.
The contact owns a 2023 Volvo S90PHEV. The contact stated that while driving in B-Mode, the braking system failed to operate properly. The contact stated that it felt as if the brake pedal was automatically being pumped. There were no warning lights illuminated. The local dealer was contacted, and informed the contact the failure was caused by a software failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 22,411.