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P1490 Jeep Code - Low Speed Radiator Fan Control Relay Condition

- Code Popularity: 19,487 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1490 Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Radiator Fan Control Relay
  • Radiator Fan Control Relay harness is open or shorted
  • Radiator Fan Control Relay circuit poor electrical connection
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How to Fix the DTC P1490 Jeep?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1490 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The Powertrain Control Module (PCM) has detected an open or shorted condition in the radiator fan relay circuit

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1490 Jeep 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.

OBDII Code P1490 Jeep - Low Speed Radiator Fan Control Relay Condition - AutoCodes.com
P1490 Jeep Code - Low Speed Radiator Fan Control Relay Condition

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Code P1490 Jeep comments

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