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Service bulletin BS5438E

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 id10252143
Published by NHTSA2024-03-29
Manufacturer's numberBS5438E
Manufacturer's date2024-03-28
NHTSA componentUNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES:FASTENER/CONNECTOR; POWER TRAIN

NHTSA's summary

Restricted access to the Modular Propulsion Control System (MPCS) makes decommissioning difficult and presents a risk of damaging the HV cables during handling or testing.

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

Electrical system, Hybrid and electric drive, Transmission and driveline

Vehicles listed
NOVA BUS LFS2022, 2023

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

Recalls for the same vehicles and component
20264252026-09-04. Powertrain
20262202026-04-30. Powertrain
26V2750002026-04-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)
20253472025-06-23. Electrical
20251762025-04-07. Electrical
25V2130002025-04-07. ELECTRICAL SYSTEM:WIRING
25V1840002025-04-03. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20250472025-02-05. High Voltage
20245722024-09-30. High Voltage
24V7270002024-09-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER; ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
BS5580E2024-04-30. Service bulletin. One fire suppression system pipe may be installed backwards and interfere with an alternator cable, creating friction that could damage one or both components.
FT5575E2024-04-30. Service bulletin. Rear Door Electrical Operator. Incorrectly adjusted door stops could mislead the system by indicating incomplete closure of the door.
BS5562E2024-03-29. Service bulletin. The transmission oil sampler line might be routed above the transmission oil dipstick tube, bringing it too close to the turbo. Heat from the turbo can damage the sample line.
BS5561E2024-03-29. Service bulletin. Non-conforming Exterior speakers.
FT55672024-03-29. Service bulletin. Battery Unbalanced Light Logic with AGM Battery.
BS5559E2024-02-24. Service bulletin. Power cable needs blue heat shrink to indicate live power all the time. Connect cable to the correct location.
BS5506E2024-02-24. Service bulletin. Battery door slam latch, due to a shortage, N620000263 was installed as an alternative to temporarily replace N81288.
BS5450E2024-02-24. Service bulletin. LED strip (N105390) was installed without seals in the plug.
BS5540E2024-02-24. Service bulletin. P-clamps holding the transmission coolant pipes can break.
FT55342024-02-01. Service bulletin. The ground of the IVN unit (Intelligent Vehicle Network) could be connected to the wrong place.