DTC ECM-6100

Condition







Diagnostic trouble code (DTC) ECM-6100 is stored in the engine control module (ECM) if there is a short-circuit to supply voltage or ground, or an open circuit in the control signal circuit between the engine control module (ECM) and the engine cooling fan control module or if the temperature is too high in the engine cooling fan control module driver.

Substitute value
- engine cooling fan (FC) switched off

Possible source

Signal too high:
- short-circuit to supply voltage in the signal cable
- defective engine fan control module

Signal too low:
- short-circuit to ground in the signal cable
- open-circuit in the signal cable
- defective engine fan control module

Faulty signal:
- obstructed fan blade
- defective engine fan control module

Fault symptom[s]
- overheated motor.