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P1490 DODGE - Low Speed Radiator Fan Control Relay Condition

Possible causes
- Faulty Radiator Fan Control Relay
- Radiator Fan Control Relay harness is open or shorted
- Radiator Fan Control Relay circuit poor electrical connection
What does this mean? What does this mean?
When is the code detected?
The Powertrain Control Module (PCM) has detected an open or shorted condition in the radiator fan relay circuit
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1490 Dodge Description

With the key on or engine running, system voltage over 10v, the Powertrain Control Module (PCM) detects a shorted or open condition in the low speed Fan Relay control circuit for 3 seconds. Test the fan relay resistance (it should be 30-70 ohms). Refer to code repair chart in other manuals or media.

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