Jaguar I-Pace 2019 — technical service bulletin
Bulletin SSM74178 · NHTSA communication 10153858 · issued Dec 10, 2018
Technical service bulletin
communication type
Equipment
component
2019
model years
1
vehicle entries
Official summary
HVCH is not operating causing no cabin heating. One of the following DTCs logged in the HVAC module: B1DC5-4B High Voltage Coolant Heater #1 - Over Temperature B1DC5-93 High Voltage Coolant Heater #1 - No Operation
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.