MINI Cooper 2014–2015 — technical service bulletin
Bulletin M120414 · NHTSA communication 10148348 · issued May 1, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2015
model years
4
vehicle entries
Official summary
Turbocharger Coolant Pump: Fault Code 20A503. "Drive Faulty" message is displayed in the Check Control. Fault code 20A503 "Turbocharger coolant pump, self diagnosis: Signal implausible" is stored in the DME. Unfavorable DME software application
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.