Acura MDX 2005–2008 — technical service bulletin
Bulletin B-08-057 · NHTSA communication 10191130 · issued Mar 30, 2016
Technical service bulletin
communication type
Electrical System
component
2005–2008
model years
5
vehicle entries
Official summary
SYMPTOM The HandsFreeLink (HFL) system doesn t work, and/or the battery sometimes won t start the vehicle. PROBABLE CAUSE The HFL control unit has an internal problem, which creates a parasitic current draw of 250 mA CORRECTIVE ACTION Do the REPAIR PROCEDURE, which includes a diagnosis, and if necessary, replace the HFL control unit.
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.