The ECM detects the following conditions:
•The coolant level sensor is sending an invalid signal for more than ten seconds.
•The “Coolant Level Sensor” parameter is programmed to “Yes”.
Probable Causes:
1) ECM Connection/Harness
2) Coolant sensor failure
3) Coolant sensor harness failure
4) ECM Failure
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 01 PID: SPN: 71 FMI: 0 Idle Shutdown Override
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 247 FMI: 11 Brake Pedal Switch #2 Fault
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 246 FMI: 11 Brake Pedal Switch #1 Fault
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 224 FMI: 14 Theft Deterrent Active with Engine Cranking
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 224 FMI: 11 Theft Deterrent Active
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 171 FMI: 11 Ambient Air Temperature Data Lost
