2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 229
Fault description
Cold Start Radiator Coolant Temperature Sensor Signal
High
Condition for fault identification
Test condition:
Engine must be running
Terminal condition: Terminal 15 ON
Voltage condition:
11 V < electrical system voltage < 26 V
Condition for fault memory entry
no debounce, fault code entered when engine is extremely
cold (coolant temperature < -10 锟斤拷C) with excessively high
sensor data reading immediately after engine start
Action in service
1) Visual inspection of sensor
2) Perform electrical check on sensor and power-supply
wires
2) Test to determine whether the temperature really changes
when the thermostat opens
3) Replace sensor
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON in US versions only
Service instruction
none
2EE0 - P0117 (DME)
2EE0 - P0117
Information saved in
DME
Fault code
2EE0 - P0117
Fault text
Coolant temperature sensor, signal
Fault description
Engine Coolant Temperature Sensor 1 Circuit Low
Condition for fault identification
Test condition:
Coolant temperature signal monitor
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 9.15 V
Condition for fault memory entry
1.5 sec.
Action in service
1) Perform electrical check on sensor wire and power-supply
wires
2) Visual inspection of plug-in contacts (on component and
DME ends) 3) Replace sensor
Fault effect and breakdown warning
