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Service bulletins for the 2018 Volvo XC90

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

579 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
36496.10.02026-06-08. Service bulletin. POWER TRAIN. 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.
368142025-07-09. Service bulletin. POWER TRAIN. This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the starting process is not completed. Inform the driver to pause briefly after starting the vehicle before shifting into D or R.
368142025-07-09. Service bulletin. POWER TRAIN. This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the starting process is not completed. Inform the driver to pause briefly after starting the vehicle before shifting into D or R.
368142025-02-11. Service bulletin. POWER TRAIN. This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the starting process is not completed. Inform the driver to pause briefly after starting the vehicle before shifting into D or R.
366652024-12-10. Service bulletin. POWER TRAIN. This is a Technical Journal: ERAD (Electric Rear Axle Drive) Bearing Noise. Bearing kit replacement.
368142024-11-05. Service bulletin. POWER TRAIN. This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the starting process is not completed. Inform the driver to pause briefly after starting the vehicle before shifting into D or R.
36665.4.12024-04-04. Service bulletin. POWER TRAIN. This is a Technical Journal: ERAD (Electric Rear Axle Drive) Bearing Noise. Bearing kit replacement.
36814.1.02024-01-25. Service bulletin. POWER TRAIN. This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the starting process is not completed. Inform the driver to pause briefly after starting the vehicle before shifting into D or R.
TJ36665302023-10-16. Service bulletin. POWER TRAIN. ERAD (Electric Rear Axle Drive) Bearing Noise
TJ36665102023-09-05. Service bulletin. POWER TRAIN. Bearing Noise.
TJ33358902023-09-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Noise Fault Tracing.
ST 2292021-10-25. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. BEV, PHEV Battery, and Powertrain Lift Table.
TJ33358.7.0-20202021-02-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This is a Technical Journal: *This journal is re-written in its entirety. The ERAD (Electrical Rear Axle Drive) consists of two main parts, a transmission and an electrical motor. To determine if the transmission or the complete ERAD needs to be exchanged follow instructions under "Service". Instructional film is included as attachment, mp4. The repair method is included as attachment, pdf. Service: If the customer is driving in electric mode and experiences noise from the rear that increase with vehicle speed (that corresponds to the electrical motor speed) it is an electrical motor issue. In this case the complete ERAD is to be exchanged. No DTC(s) are set for this issue. If the customer experiences hesitation when the electrical motor should be engaged or no electrical motor engagement at all, the transmission part needs to be exchanged. This fault results in Clutch DTC(s) as indicated in the list, and a message in DIM (Driver Information Module) "Hybrid system failure, Service required". ERAD transmission is ordered according to normal routines. ERAD transmission Part No. 32240142.
TJ33442.11.0-2022020-11-16. Service bulletin. POWER TRAIN. This is a technical Journal:If the vehicle has a click sound from the left engine pad, follow the advice under "Service". Make sure that the sound is coming from the engine pad, NOT from the drive shaft. Remove the left engine pad and split by removing the small screw. Lubricate with graphite grease (PN 1161851) on points as in attachment. Torque for small screw is 8 nm.
TJ33358.5.2-20202020-08-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This is a Technical Journal: Replacement of ERAD components. Follow instruction for the replacement of the ERAD.
TJ20803.21.0-2022020-02-24. Service bulletin. EQUIPMENT; POWER TRAIN. This is a Technical Journal: In case of complaint of Noise, some "tools" have been created to help you to do a better and more precise fault tracing
TJ32546.2.0-20172019-12-02. Service bulletin. POWER TRAIN. This is a Technical Journal: TG81-SC, harsh shift P-R R-D N-D. Due to an internal can bus data error in the TCM, harsh garage shifts may occur at P-R, R-D, N-D. New improved TCM SW is planned to be released 2017w22 in production and service. If you have a customer complaint at this time, perform a TCM reload. This will reset the values of the TCM and improve shift quality .
TJ32546.1.0-20172019-11-18. Service bulletin. POWER TRAIN. This is a Technical Journal: TG81-SC, harsh shift P-R R-D N-D. Due to an internal can bus data error in the TCM, harsh garage shifts may occur at P-R, R-D, N-D. New improved TCM SW is planned to be released 2017w22 in production and service. If you have a customer complaint at this time, perform a TCM reload. This will reset the values of the TCM and improve shift quality .
TJ32546.1.0-20172019-11-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This is a Technical Journal: TG81-SC, harsh shift P-R R-D N-D. Due to an internal can bus data error in the TCM, harsh garage shifts may occur at P-R, R-D, N-D. New improved TCM SW is planned to be released 2017w22 in production and service. If you have a customer complaint at this time, perform a TCM reload. This will reset the values of the TCM and improve shift quality .
TJ33557 1 1 20192019-09-16. Service bulletin. POWER TRAIN. This is a Technical Journal: Prior Approval: T8 ERAD (Electric Rear Axle Drive), Complete
TJ33723 1 0-20182019-08-26. Service bulletin. SUSPENSION:MULTIPLE AXLE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ENGINE. This is a Technical Journal: ERAD Clutch DTCs, Signal Compare Failure DTCs and/or Watchdog Revised IEM software has been released. Perform an upgrade of the software according to TJ 31543. Test the car and check if any of the above DTCs return. If any DTC returns repair the car according VIDA and/or TJ33557 as necessary.
TJ33030 3 0-20182019-08-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This is a Technical Journal: If the rear axle causes judder/sound at parking maneuvres. (full turn and acceleration), then follow advice under service. Download Total Upgrade software
TJ33358 3 0-20182019-08-05. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This is a Technical Journal: Replacement of ERAD components. Follow instruction for the replacement of the ERAD.
TJ32760 3 1-20192019-07-22. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. This is a Technical Journal: The noise comes from the rubber material(drive shaft bellow) which creates a certain friction and may create a noise when temperature are cold. The noise is most obvious during slow driving and turning (e.g. parking maneuvers). The noise will become less after some driving. Spray wax, Wurth PN 0893923284 , on the outer bellows
TJ32469-3-0-20182019-04-22. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN; EQUIPMENT. This is a Technical Journal: Gear shift lever inoperable

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.