Jaguar XF 2009–2014 — technical service bulletin
Bulletin SSM-66637 · NHTSA communication 10079123 · issued Jun 26, 2013
Technical service bulletin
communication type
Electrical System
component
2009–2014
model years
18
vehicle entries
Official summary
"issue: a customer may report a concern with a flat battery or poor starting; when testing the battery it is determined that a charge is required. Cause: when charging a battery (both primary and secondary) with a bms (battery monitoring system) fitted, the earth from the charger must be connected to a suitable chassis or engine earth (check topix for appropriate location). This allows the bms to see the current going into the battery. However when using a diagnostic charger from midtronics such as gr1, grx or gr8(110 volts) this connection process can cause an incorrect battery analysis due t
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.