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What is the fan 2 control circuit?

What is the fan 2 control circuit?

Diagnostic trouble code (DTC) P0481 stands for “ Fan 2 Control Circuit.” Cooling fan relays control the power supplied to your engine’s cooling fans. If the engine temperature reaches a point that’s considered unsafe, the PCM will command one of the cooling fan relays to activate one of the fans.

How do I fix the cooling fan 2 control circuit malfunction?

How To Correct P0481 Cooling Fan Relay 2 Control Circuit

  • Repair the poor electrical connections.
  • Repair or replace the wiring harness and connectors if found frayed.
  • Cooling fan relay should be checked as well, replace it immediately if it is inoperative.

How do I fix code P0481?

What repairs can fix the P0481 code?

  1. Inspect the electrical connections to the cooling fan and relay to insure they are attached.
  2. Disconnect it, inspect the connections for corrosion or other issues, and then reinstall to insure a fresh electrical connection.

What is a cooling fan control circuit?

OBD-II Code P0480 is technically described as a Cooling Fan Relay 1 Control Circuit. It is a generic code applying to all OBD II (on board diagnostics) vehicles. When the temperature reaches about 223-degrees F, the PCM will command the cooling fan relay to turn on the fan.

Why is my cooling fan 2 control circuit malfunctioning?

The cooling fan 2 control circuit malfunction code may have several causes: There is damage or a short in the harness connecting the cooling fan relay causing a poor connection. The wiring connecting the cooling fan to the harness has a short or other damage causing a poor connection.

When to turn on the cooling fan on a Dodge Dakota?

The cooling fan may be commanded ON when the engine is not running under a fan run-on conditions described in the electric cooling fan general description portion of the service manual. | Need more information with the P0481 DODGE code?

How much does it cost to fix a p0481 Dodge Charger?

Most auto repair shops charge between $75 and $150 per hour. | When is the P0481 DODGE code detected? The P0481 code is detected when the Engine Control Module (ECM) detects that the commanded state of the driver and the actual state of the control circuit do not match.

How do you fix a p0481 code on a fan?

The most common potential repairs to address the P0481 code are as follows: Inspect the electrical connections to the cooling fan and relay to insure they are attached. Disconnect it, inspect the connections for corrosion or other issues, and then reinstall to insure a fresh electrical connection.

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