2026 Volvo XC90MHEV Technical Service Bulletins

96 technical service bulletins (TSBs) are on record for the 2026 Volvo XC90MHEV. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037972Sep 24, 2026Other or unknown. This is a TJ - Text only - no attachments - If the Check Engine Light is on, or there is a "Reduced Performance" message in the DIM, and the customer is experiencing a hesitation or jerk during acceleration with one or more of the DTCs listed below set, Improved ECM (Engine Control Module) software has been released in version 5.2.16. please follow the advice under "Service".
• 11037971Sep 24, 2026Engine. This is a Technical Journal: Text plus 1 MP4 - Not possible to go to Drive mode after ERS start. Download software. Please follow the advice under "Service".
• 11037965Sep 17, 2026Transmission and drivetrain. This is a Technical Journal: Text plus 1 PDF -- DTC TCM P277C07 set. If the TCM DTC listed below is set, A new transmission hardware solution has been introduced starting from transmission serial number 25M8L30144, which serves as a defined break point for updated production. *If the DTC is confirmed and the transmission serial number is after the break point: Do NOT replace the transmission follow the advise under…
• 11037962Sep 14, 2026Exterior lighting. This is a TJ Text only no attachments. --- If the crystal gear shift knob light stays illuminated after the vehicle is locked and is not in active mode, A fix for this issue is introduced with software version 5.0.5.
• 11037956Sep 9, 2026Other or unknown. This is a TJ - text, plus 2 PDF's - If there is a "Check Engine Light" lit in the DIM with one or a combination of the DTC's listed below, please follow the advice for checks and inspection procedures under "service".
• 11037955Sep 9, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents (TJI's) - + 1 PDF + how to find structure week + flow chart, 2 JPG's . If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service".
• 11037303Aug 13, 2026Other or unknown. This is a TJ - text, plus 2 PDF's - If there is a "Check Engine Light" lit in the DIM with one or a combination of the DTC's listed below, please follow the advice for checks and inspection procedures under "service".
• 11036252Jul 28, 2026Other or unknown. This is a TJ - Text only - No attachments - If the software version displayed in the CSD is not aligned with the actual software version installed in the vehicle (this may occur after a failed software download), and no Total Upgrade is available in VIDA, Note! Do not replace any parts. A Software Product is available to align the software version in the CSD with the actual software version installed in the…
• 11036251Jul 28, 2026Other or unknown. This is a TJ - Text only no attachments - If the software version displayed in the CSD is not aligned with the actual software version installed in the vehicle (this may occur after a failed software download), and no Total Upgrade is available in VIDA, Note! Do not replace any parts. A Software Product is available to align the software version in the CSD with the actual software version installed in the vehicle…
• 11036249Jul 28, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents (TJI's) - + 2 PDFS + how to find structure week + flow chart, 6 in all. If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service".
• 11036240Jul 11, 2026Other or unknown. This is a Technical Journal: iCUP IHU - Text plus 1 PDF Prior Approval. In most cases, the IHU does not need to be replaced -In many cases the Infotainment Head Unit (IHU) does not need to be replaced and can be retained by following the fault tracing in VIDA.
• 11036238Jul 11, 2026Other or unknown. This is a Technical Journal: text plus 3 .png files and 1 mp4 CSD Stuck in Recovery Mode, iCUP. In most cases this Recovery mode can be resolved by preforming a IHU reload.
• 11034997Jun 24, 2026Other or unknown. This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.
• 11034993Jun 10, 2026Other or unknown. This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.
• 11034992Jun 10, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents (TJI's) - + 2 PDFS + how to find structure week + flow chart, 6 in all. If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service".
• 11034990Jun 10, 2026Transmission and drivetrain. This is a Technical Journal: DTC TCM P277C07 set. If the TCM DTC listed below is set, A new transmission hardware solution has been introduced starting from transmission serial number 25M8L30144, which serves as a defined break point for updated production. *If the DTC is confirmed and the transmission serial number is after the break point: Do NOT replace the transmission follow the advise under "Service".
• 11034989Jun 10, 2026Other or unknown. This is a Technical Journal: Plus 2 attachments 1- TJI-497587-1 and 1 MP4 Speaker Grill -It may be possible for the rear door lock switch to get stuck in the speaker grille. This can lead to a drained battery. Applies only for cars with Premium or High Performance stereo. Service: Check for/remove edges in the hole for the button in the speaker grille. Follow attached method "TJ 32010.pdf" or the video…
• 11033747May 23, 2026Other or unknown. This is a TJ - Text plus two .mov attachments - If the customer is experiencing a frozen Sirius Radio banner, meaning in the app view the title of the song and station name will stay on the previous selected station; the audio will be for the station that is selected and not what is shown on the screen, follow the advice on this TJ under “Service”
• 11033746May 23, 2026Other or unknown. This is a Technical Journal: Text plus 1 .jpg attachment - If remote control key is not detected by the car and shows message in DIM "Car key not found" or if functions such as lock/unlock are not working, please follow advice for detecting key
• 11033743May 20, 2026Other or unknown. This is a TJ - Text plus two .mov attachments - If the customer is experiencing a frozen Sirius Radio banner, meaning in the app view the title of the song and station name will stay on the previous selected station; the audio will be for the station that is selected and not what is shown on the screen, follow the advice on this TJ under “Service”
• 11033742May 20, 2026Other or unknown. This is a TJ - Text plus 1 mp4 file - If, an iCup model year 2026 vehicle equipped with Sound System defined by VDN K501 or K502, experiencing the symptom where the audible turn-indicator sound is out of sync and may occasionally skip a “beep” (see TJ_37813_1.mp4), follow the guidance provided in the Service.
• 11033741May 20, 2026Other or unknown. This is a TJ no attachments - If customer complains of creaking or squeaking noise coming from the door stop when opening/closing the door, follow advice under "Service". Before replacing any parts, follow the instruction below.
• 11033740May 13, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents (TJI's) - + 2 PDFS + how to find structure week + flow chart, 6 in all. If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service".
• 11033739May 13, 2026Electrical system. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
• 11033736May 7, 2026Other or unknown. This is a TJ no attachments - If customer complains of creaking or squeaking noise coming from the door stop when opening/closing the door, follow advice under "Service". Before replacing any parts, follow the instruction below.
• 11033734May 7, 2026Transmission and drivetrain. This is a Technical Journal: Intermittent knocking noise during acceleration. If the sound corresponds to attached sound file, change front drive shafts to the below part numbers.
• 11032683Apr 29, 2026Other or unknown. This is a TJ - Text Plus 1 .mp4 file - When using the CSD for seat adjustments mode for example lumbar support and seat Cushing, the visualization does not match the selected part for adjustment. Do not fault trace for this symptom. Advice the customer to use the physical seat mode switch knob. A new improved software is planned to be released during quarter 3 2026.
• 11032682Apr 28, 2026Other or unknown. This is a TJ - Text plus 1 mp4 file - If, an iCup model year 2026 vehicle equipped with Sound System defined by VDN K501 or K502, experiencing the symptom where the audible turn-indicator sound is out of sync and may occasionally skip a “beep” (see TJ_37813_1.mp4), follow the guidance provided in the Service.
• 11032678Apr 23, 2026Engine. This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure
 Description and Service sections updated to clarify that vehicle reports are not required.
• 11032676Apr 22, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents - + 2 PDFS + how to find structure week + flow chart, 6 in all. If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service". 3 steps provided in TJ
• 11032675Apr 22, 2026Engine. This is a Technical Journal: Text document plus 1 PDF attachment Coolant Pump Dry Coolant Mix Residue. If the coolant pump has an active leak, a photo must be taken prior to replacement (see example as in attached picture TJ_36923_3). The photo showing the active water pump leak on the vehicle must be saved for the TMA photo return process and provided when requested.
 Sealing improvements have been made to PNs…
• 11032673Apr 18, 2026Other or unknown. This is a TJ. Text only no attachments - If a customer complains it is not possible to download third-party apps (only ICUP MY2026 cars affected) follow advice under "Service". Workaround is to perform a "IHU factory reset". analysis will now continue to find the root cause and provide a better improvement.
• 11032672Apr 18, 2026Engine. This is a Technical Journal: Text plus 1 MP4 - Not possible to go to Drive mode after ERS start. Download software. Please follow the advice under "Service".
• 11032671Apr 7, 2026Other or unknown. This is a TJ text only - The purpose of this TJ is to be a master reference list to easily identify any components that are on prior approval. This TJ will be regularily updated as items are added or removed from prior approval.
 Current items under prior approval are listed in the "Service" section
• 11032668Apr 7, 2026Other or unknown. This is a TJ - Text - plus 2 instruction documents - + 2 PDFS + how to find structure week + flow chart, 6 in all. If the Check Engine Light is on in the DIM and one or more of the DTCs listed below are set, please follow the advice under "Service". 3 steps provided in TJ
• 11031105Mar 19, 2026Other or unknown. This is a TJ - Text only no attachments - If customer experiences an incorrect ambient temperature reading in DIM (Driver Information Module) or reduced A/C performance, follow the advice under Service. Please refer to the wiring diagram in VIDA to locate the relevant circuit for the ambient temperature sensor (component 7/481) at the passenger door mirror harness.
• 11031100Mar 10, 2026Other or unknown. This is a Technical Journal - text plus 1 jpg : iCUP IHU - If, during a Software Download (SWDL) at the workshop, connected to VIDA, the CSD (Center Stack Display) turns black and the IHU (Infotainment Head Unit) becomes stuck in programming mode or is unresponsive, follow the advice under "Service".
 Follow the recommended procedure depending on the MY (Model Year) of the vehicle
• 11031098Mar 7, 2026Electrical system. This is a Technical Journal: Check Engine Light/DIM message and ISGM DTC P056200 or in combination with all the DTCs
• 11029181Feb 17, 2026Engine. This is a Technical Journal: Text document plus 1 PDF attachment Coolant Pump Dry Coolant Mix Residue. If the coolant pump has an active leak, a photo must be taken prior to replacement (see example as in attached picture TJ_36923_3). The photo showing the active water pump leak on the vehicle must be saved for the TMA photo return process and provided when requested.
 Sealing improvements have been made to PNs…
• 11029179Feb 13, 2026Other or unknown. This is a TJ - text, plus 2 PDF's - If there is a "Check Engine Light" lit in the DIM with one or a combination of the DTC's listed below, please follow the advice for checks and inspection procedures under "service".
• 11029178Feb 13, 2026Engine. This is a Technical Journal: Text plus 1 MP4 - Not possible to go to Drive mode after ERS start. Download software.
• 11029176Feb 5, 2026Other or unknown. This is a TJ Text only no attachments - If the Check Engine Light is on in the DIM and the DTCs listed below are set with no other symptoms, Do not replace any parts. Please follow the advice under "Service". This TJ is a complement to the fault tracing in VIDA. Inform the customer that driving for too long with low loads creates a risk that this DTC will be set, and they should accelerate more aggressively…
• 11028394Jan 30, 2026Other or unknown. This is a TJ - text only no additional attachments - If the DIM is not responding during start and no response in DIM is visible in VIDA in combination with DTC VCU1 U015500 follow the instructions under “Service.”
• 11028392Jan 30, 2026Engine. This is a Technical Journal: Coolant Pump Dry Coolant Mix Residue. If the coolant pump has an active leak, a photo must be taken prior to replacement (see example as in attached picture TJ_36923_3). The photo showing the active water pump leak on the vehicle must be saved for the TMA photo return process and provided when requested.
 Sealing improvements have been made to PNs 32382367, 32441161 and 32382368…
• 11028389Jan 14, 2026Other or unknown. This is a TJ Text and 3 mp3 files - If the customer is intermittently experiencing distorted audio across multiple sound sources simultaneously—such as Radio/Streaming, Belt Reminder, Park Assist, Speed Warning, etc. see the attached examples (TJ_37583_1-3.mp3) and follow advice under "Service".
 Note! This TJ is only applicable for MY26 iCUP vehicles, Variant Designation Number (VDN):RP03.
• 11028388Jan 13, 2026Other or unknown. This is a TJ - Text plus 1 jpg - If the Check Engine Light is on and DTC ECM P052123 is stored, please follow the advice under "Service". with emphasis on the engine part numbers and serial numbers.
• 11028387Jan 13, 2026Other or unknown. This is a TJ - When the engine is turned off, the lights in overhead console, reading lamps, footwell, and luggage compartment may not turn on. This issue occurs intermittently, and during such instances, the ON/OFF button for the overhead console becomes unresponsive, follow advice under service. Open the front driver side door, this will restore the interior lights. In this scenario, please follow the advice…
• 11028386Jan 13, 2026Other or unknown. This is a Technical Journal: Text plus 1 jpg and 1 mp4 file -- If there is a strange chafing or creaking noise when turning the steering wheel, follow the advice under Service.
• 11028385Jan 8, 2026Other or unknown. This is a TJ If detected during Pre-delivery inspection or if customer complaints of chipped/cracked/distorted screen/glass within 6 months in service we request more information, follow advise under "Service".
• 11027191Dec 20, 2025Transmission and drivetrain. This is a Technical Journal: Vehicle jerks in low speed when Start/Stop is active. Improved software is introduced from version 3.5.14.

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