N63R Map Thermostat Faults
BMW technical service bulletin B121316 for 2016 BMW 750LI.
- Bulletin number
- B121316
- Component
- Electrical system
- Summary
- N63R Map Thermostat Faults. The Service Engine Soon light is on with one or more of the following fault codes: 1D2009 - characteristic map thermostat: clamped closed 10921B - characteristic map thermostat, stroke sensor: short circuit to ground 1D2008 - characteristic map thermostat: clamped open 1D2401 - characteristic map thermostat, actuation: short circuit to B+ 10921A - characteristic map thermostat, stroke sensor: short circuit to B+ 1FB201 - Check Control message (ID 257): Engine too hot! Drive gently 1FB301 - Check Control message (ID 39): Engine overheated. Stop carefully 1D2404 - characteristic map thermostat, actuation: line disconnection 1D2402 - characteristic map thermostat, actuation: short circuit to ground In severe cases there may be no communication with the DME (MASTER DME - control unit description file DME8FF_R) Coolant is leaking past the map thermostat electrical connector.
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