2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 231
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 9.15 V
Condition for fault memory entry
immediately
Action in service
1) Visual inspection of sensor
2) Test to determine whether coolant temperature really
remains constant as engine warms
3) Sensor replacement
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON, electrical water pump and E fan at full power with
engine running
Service instruction
none
2EE3
2EE3 - P3198
Information saved in
DME
Fault code
2EE3 - P3198
Fault text
Coolant temperature sensor, plausibility: gradient
Fault description
Engine Coolant Temperature 1 Gradient Too High
Condition for fault identification
Test condition:
UBatt > 9.15V
Terminal 15 on
Terminal condition: Terminal 15 ON
Voltage condition:
Voltage in onboard electrical system > 9.15 V
Condition for fault memory entry
600 ms
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
Driver information
Warning light:
MIL ON, electrical water pump and E fan at full power with
