P184C - Transmission Cooling Fan Control Circuit
- Faulty Transmission Cooling Fan
- Transmission Cooling Fan harness is open or shorted
- Transmission Cooling Fan circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P184c DescriptionThe primary purpose of the transmission cooling fan is to control the air flow moving across the transmission heat exchangers. The transmission cooling fan control system resides in the Chassis Control Module. The chassis control module receives transmission oil temperature and vehicle speed data to control the Pulse Width Modulated (PWM) duty cycle of the cooling fan. The chassis control module communicates on the High Speed GM Local Area Network (HS-GMLAN) serial data bus.
P184C Information for specific makes
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