# Service bulletin 37571

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.

- Type: Service bulletin
- NHTSA id: 11028393
- Published by NHTSA: 2026\-02\-05
- Manufacturer's number: 37571
- Manufacturer's date: 2026\-01\-30
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

This is a TJ Text only no attachments \- If customer complains of intermittent DIM message in combination with DTC HCML/R \- B180292/B180392, follow advice under "Service".

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028393-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028393-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Lighting

## Trouble codes named

B1802, B1803

## Vehicles listed

- 2025 VOLVO EX90

## Recalls for the same vehicles and component

- [2025056](/recalls/tc/2025056.md), 2025-02-07: Lights And Instruments
- [25V071000](/recalls/nhtsa/25V071000.md), 2025-02-07: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES

## Other bulletins for the same vehicles and component

- [37571.6.0](/bulletins/11034991.md), 2026-07-14, Service bulletin: EXTERIOR LIGHTING. This is a TJ Text only no attachments \- This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R \- B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default.
- [34521.11.1](/bulletins/11033732.md), 2026-06-08, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Headlamp condensation inside lens \- information/leak test. If the result is not ok \(air leak\), it is ok to replace the headlamp
- [37571.5.0](/bulletins/11032674.md), 2026-05-14, Service bulletin: EXTERIOR LIGHTING. This is a TJ Text only no attachments \- This TJ is a complement to the fault tracing in VIDA. If customer complains of intermittent DIM message in combination with DTC HCML/R \- B180292/B180392, follow advice under "Service".Pay attention to which side of the car the DTC refers, both headlamps should not be replaced by default.
- [34521.10.0](/bulletins/11031109.md), 2026-04-07, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Headlamp condensation inside lens \- information/leak test. If the result is not ok \(air leak\), it is ok to replace the headlamp
- [34521](/bulletins/11027189.md), 2026-01-07, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Headlamp condensation inside lens \- information/leak test. If the result is not ok \(air leak\), it is ok to replace the headlamp
- [37571](/bulletins/11027179.md), 2026-01-07, Service bulletin: EXTERIOR LIGHTING. This is a TJ Text only no attachments \- If customer complains of intermittent DIM message in combination with DTC HCML/R \- B180292/B180392, follow advice under "Service".
- [8501](/bulletins/11020437.md), 2025-07-08, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Remote connection, BOMGAR application. Before joining a remote session:\&\#13; •Connect a suitable battery maintainer/charger and verify that the battery voltage indicated in VIDA is between 12.5V and 14.9V.\&\#13; •Connect to the vehicle over a wired connection using a VOE \(Volvo OBD to Ethernet\) adapter and perform a NEW vehicle readout.\&\#13;
- [37035](/bulletins/11014124.md), 2025-02-11, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Interior Door Deco Light not Functioning. Check connectors and perform necessary repair.
- [8501](/bulletins/11014112.md), 2025-02-11, Service bulletin: EXTERIOR LIGHTING. This is a Technical Journal: Remote connection, BOMGAR application. Before joining a remote session:\&\#13; •Connect a suitable battery maintainer/charger and verify that the battery voltage indicated in VIDA is between 12.5V and 14.9V.\&\#13; •Connect to the vehicle over a wired connection using a VOE \(Volvo OBD to Ethernet\) adapter and perform a NEW vehicle readout.\&\#13;

JSON: [/v1/bulletins/11028393](/v1/bulletins/11028393)

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