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Service bulletin 36814

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11020524
Published by NHTSA2025-07-09
Manufacturer's number36814
Manufacturer's date2025-05-02
NHTSA componentPOWER TRAIN

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
VOLVO S60PHEV2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO S90PHEV2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO V60PHEV2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC60PHEV2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
VOLVO XC90PHEV2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
36774.4.02026-10-05. Service bulletin. 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 "Service".
36894.5.22026-10-05. Service bulletin. This is a Technical Journal: Long Range PHEV ERAD Knocking Noise Repair Kit. Install a repair kit.
36774.3.02026-07-14. Service bulletin. 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".
36496.10.02026-06-08. Service bulletin. 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.
372282026-01-07. Service bulletin. This is a Technical Journal: Vehicle jerks in low speed when Start/Stop is active. Improved software is introduced from version 3.5.14.
376242026-01-07. Service bulletin. This is a TJ - Text only no attachments If a decision is taken to replace a cell module and the vehicle has VDN code CK04, please follow information under "Service." f you are replacing a cell module and the vehicle has VDN code CK04, please install the SP listed below before you replace the cell module.
376242026-01-07. Service bulletin. This is a TJ - Text only no attachments If a decision is taken to replace a cell module and the vehicle has VDN code CK04, please follow information under "Service." f you are replacing a cell module and the vehicle has VDN code CK04, please install the SP listed below before you replace the cell module.
368142025-07-09. Service bulletin. 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.
372282025-07-09. Service bulletin. This is a Technical Journal: Vehicle jerks in low speed when Start/Stop is active. Improved software is introduced from version 3.5.14.
357322025-04-09. Service bulletin. This is a Technical Journal: Clicking sound from transmission area.
 This is considered a normal operating characteristic/function of the vehicle.