What does engine code P0481 mean?

What does engine code P0481 mean?

P0481 is a diagnostic trouble code (DTC) for “Cooling Fan 2 Control Circuit Malfunction”. It means there is a problem with the control circuit for cooling fan 2. The PCM controls the cooling fan by grounding the cooling fan control circuit which turns ON the cooling fan relay.

How do I fix the cooling fan 1 control circuit malfunction?

Repair or replace the faulty cooling fan 1. Replace the frayed vehicle speed sensor. Replace the inoperative AC pressure switch. Repair the faulty electrical connections.

What is a cooling fan relay?

The cooling fan relay is an electromagnetic switch that controls the power supply to the engine’s cooling fans. It ensures that the energy-intensive devices only run when needed, usually when the vehicle is immobile.

What does the OBD-II code p0481 stand for?

P0481 is the OBD-II generic code for a problem with the control circuit for cooling fan 2. The cooling fan should be commanded on under certain conditions where the engine requires more cooling, and this is controlled via the cooling fan relay.

What does the p0481 error code on a Kenmore dryer mean?

The P0481 code identifies a problem with the control circuit for cooling fan 2. It is often associated with the P0480 code.

What causes a p0481 code on a fan relay?

What causes the P0481 code? 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.

How do I reset the p0481 code on a Honda Accord?

P0481 is diagnosed with an OBD-II scanner. A qualified technician will use a scanner that is capable of scanning the factory sensor readings (more advanced than one from the auto parts store) to read the code. The code will then be reset.