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AutoCodes - Generic - P1474

P1474 Code - Low Fan Control Primary Circuit Malfunction

- Code Popularity: 27,438 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1474?

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 Cooling Fan
  • Faulty Cooling Fan Relay
  • Cooling Fan harness is open or shorted
  • Cooling Fan circuit poor electrical connection
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How to Fix the DTC P1474?

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 P1474 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.

What are Code Possible Symptoms?

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

Code P1474 Description

Monitors the Low Fan Control (LFC) primary circuit output from the Powertrain Control Module (PCM). The test fails if the PCM grounds the LFC circuit, excessive current draw is detected on the LFC circuit, or with the LFC circuit not grounded by the PCM, voltage is not detected on the LFC circuit (the PCM expects to detect VPWR voltage coming through the low speed FC relay coil to the LFC circuit).

OBDII Code P1474 - Low Fan Control Primary Circuit Malfunction - AutoCodes.com
P1474 Code - Low Fan Control Primary Circuit Malfunction

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Code P1474 comments

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