Grand Design Momentum 2023 — technical service bulletin
Bulletin TSB 22-002 · NHTSA communication 10217902 · issued Aug 11, 2022
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
WFCO 2000w Inverters Hot/Neutral Reversed Wiring : Grand Design Momentum units outfitted with solar panels and produced from June 6, 2022 to August 5th, 2022 may be equipped with a WFCO 2000w Inverter wired incorrectly with the hot/neutral reversed. The refrigerator will not power on. REMEDY: Verify wiring is correctly on the WFCO 2000w inverter. Instructions included.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.