2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
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P3198
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:
290
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
