# Service bulletin 37436.4.0

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: 11037954
- Published by NHTSA: 2026\-10\-05
- Manufacturer's number: 37436.4.0
- Manufacturer's date: 2026\-09\-09
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This is a Technical Journal: Vehicle Fails to Charge on All AC and DC Chargers. Start fault tracing by checking the following: 1.The condition of the EVI for damage and/or foreign objects. \- Sample images can be found on page 1 of the attached PDF file. 2.The connectors at the CDD: unplug, then plug them in again. \- Relevant connectors are numbers 1, 2, 6, and 9 on the drawing on page 2 of the attached PDF file. If no deviations are found at the EVI or the connectors at the CDD, continue fault tracing in VIDA.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037954-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037954-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 to 2027 VOLVO EX30
- 2026 to 2027 VOLVO EX30CC

## Recalls for the same vehicles and component

- [26V103000](/recalls/nhtsa/26V103000.md), 2026-02-20: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [26V001000](/recalls/nhtsa/26V001000.md), 2026-01-02: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [37436.4.0](/bulletins/11037960.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Vehicle Fails to Charge on All AC and DC Chargers. Start fault tracing by checking the following: 1.The condition of the EVI for damage and/or foreign objects. \- Sample images can be found on page 1 of the attached PDF file. 2.The connectors at the CDD: unplug, then plug them in again. \- Relevant connectors are numbers 1, 2, 6, and 9 on the drawing on page 2 of the attached PDF file. If no deviations are found at the EVI or the connectors at the CDD, continue fault tracing in VIDA.
- [37435.2.0](/bulletins/11037959.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Vehicle Fails To Charge On Certain DC Chargers. Check if the vehicle's software is the latest version. If not the latest version, please perform a Total Upgrade
- [37436](/bulletins/11027180.md), 2026-01-07, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Vehicle Fails to Charge on All AC and DC Chargers. Start fault tracing by checking the following:\&\#13; 1.The condition of the EVI for damage and/or foreign objects.\&\#13; \- Sample images can be found on page 1 of the attached PDF file.\&\#13; 2.The connectors at the CDD: unplug, then plug them in again.\&\#13; \- Relevant connectors are numbers 1, 2, 6, and 9 on the drawing on page 2 of the attached PDF file.\&\#13; If no deviations are found at the EVI or the connectors at the CDD, continue fault tracing in VIDA.\&\#13;
- [37446](/bulletins/11021927.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: PDS Error 502 – Extra SW May Be Needed. If error 502 appears in VIDA when ordering PDS software, please perform an EVCC reload with the checkbox marked "YES" for new hardware.\&\#13; EVCC reload part number: 80012578\&\#13;
- [37430](/bulletins/11021926.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: No Start After Failed OTA Installation. Do not replace any parts.\&\#13; To recover the CEM, download SP 80026889, "OTA RESTORE".\&\#13; After this has been installed, confirm that the car can now be started and driven.\&\#13; Ensure that the car has the latest software by following TJ\-31543
- [37436](/bulletins/11021922.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Vehicle Fails to Charge on All AC and DC Chargers. Start fault tracing by checking the following:\&\#13; 1.The condition of the EVI for damage and/or foreign objects.\&\#13; \- Sample images can be found on page 1 of the attached PDF file.\&\#13; 2.The connectors at the CDD: unplug, then plug them in again.\&\#13; \- Relevant connectors are numbers 1, 2, 6, and 9 on the drawing on page 2 of the attached PDF file.\&\#13; If no deviations are found at the EVI or the connectors at the CDD, continue fault tracing in VIDA.\&\#13;
- [37435](/bulletins/11021921.md), 2025-08-18, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Vehicle Fails To Charge On Certain DC Chargers. Check if the vehicle's software is the latest version. If not the latest version, please perform a Total Upgrade
- [37324](/bulletins/11020545.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: AC Charging Cable Failure Modes. Before replacing the cable, the fault needs to be verified at the workshop.
- [37324](/bulletins/11020439.md), 2025-07-08, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: AC Charging Cable Failure Modes. Before replacing the cable, the fault needs to be verified at the workshop.
- [36897](/bulletins/11009808.md), 2024-11-05, Service bulletin: ELECTRICAL SYSTEM. This is a Technical Journal: Slow AC Charging \(6 Amps\). A workaround to avoid slow charging is to turn on the DHU setting "Charging ? Limit Charging Current" and set it to the maximum after each initialization of every charging cycle

JSON: [/v1/bulletins/11037954](/v1/bulletins/11037954)

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