Radiator Cooling Fan Motor Control
Table of contents
P1900 INFINITI Possible Causes
- Faulty Radiator Cooling Fan Motor Relay
- Faulty Radiator Cooling Fan Motor
- Radiator Cooling Fan Motor harness is open or shorted
- Radiator Cooling Fan Motor circuit poor electrical connection
How do I fix code P1900 INFINITI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1900 INFINITI code
The cost of diagnosing the P1900 INFINITI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1900 INFINITI Description
The Cooling Fan Motor(s) is controlled by the Engine Control Module (ECM) through the cooling fan relay(s). The Engine Control Module will compensate idle speed when the cooling fan is on. The Diagnostic Trouble Code (DTC) will set when the Radiator Cooling Fan Motor (s) is not to factory specifications.