Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) ECM-6110 is stored if the engine control module (ECM) registers a fault in the signal cable from the engine cooling fan (FC) control module.
The electric cooling fan may have a post-running time of up to approx. 6 minutes after the engine has been shut off. The time for the electric cooling fan's post-running depends on the engine's temperature, temperature in the engine compartment as well as the pressure level in the AC system.
Substitute Value
- None.
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
- Short-circuit to ground in the power supply cable
- Defective engine fan control module.
Signal missing:
- Contact resistance or oxidation in the connector
- Open-circuit in the signal cable
- Defective engine fan control module.
Fault symptom[s]
- Electric cooling fan does not operate
- The engine cooling fan (FC) runs continuously even when the ignition is switched off.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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