The RAM Code P0481 is a Cooling Fan 2 Control Circuit/Open issue which is caused by several factors, including an open or shorted circuit in the High-Speed Radiator Fan Control circuit, HIGH SPEED RADIATOR FAN RELAY CONTROL CIRCUIT OPEN, HIGH-SPEED RADIATOR FAN RELAY CONTROL CIRCUIT SHORTED TO GROUND, HIGH SPEED RADIATOR FAN RELAY, POWER DISTRIBUTION CENTER (PDC), and POWERTRAIN CONTROL MODULE (PCM). Several related service bulletins provide solutions for the issue. To address the problem, it is important to understand the underlying causes of the RAM Code P0481 and the available solutions.
⚡️Other article: RAM Code U0403
Causes and Solutions for RAM Code P0481
| Causes | Solutions |
|---|---|
| The open or shorted circuit in the High-Speed Radiator Fan Control Circuit | Check and replace the High-Speed Radiator Fan Relay Control Circuit |
| HIGH-SPEED RADIATOR FAN RELAY CONTROL CIRCUIT OPEN | Inspect and repair the High-Speed Radiator Fan Relay Control Circuit |
| HIGH-SPEED RADIATOR FAN, RELAY CONTROL CIRCUIT, SHORTED TO GROUND | Verify and replace the High-Speed Radiator Fan Relay Control Circuit |
| HIGH-SPEED RADIATOR FAN RELAY | Check and fix the High-Speed Radiator Fan Relay |
Open or Short Circuit in High-Speed Radiator Fan Control Circuit
When there is an open or short circuit in the High-Speed Radiator Fan Control Circuit, the RAM Code P0481 will be triggered. To address this issue, inspecting and replacing the High-Speed Radiator Fan Relay Control Circuit is important.
High-Speed Radiator Fan Relay Control Circuit Open
An open High-Speed Radiator Fan Relay Control Circuit can cause the RAM Code P0481. Verifying and repairing the High-Speed Radiator Fan Relay Control Circuit is essential to resolve this issue.
💥See also: RAM Code U1409
High-Speed Radiator Fan, Relay Control Circuit, Shorted to Ground
When the High-Speed Radiator Fan Relay Control Circuit is shorted to ground, the RAM Code P0481 will be triggered. It is important to check and replace the High-Speed Radiator Fan Relay Control Circuit to fix this issue.
High Speed Radiator Fan Relay
The RAM Code P0481 can also be caused by a malfunctioning High Speed Radiator Fan Relay. To address this issue, inspecting and fixing the High Speed Radiator Fan Relay is necessary.
Conclusion
The RAM Code P0481 is caused by several issues, including an open or short circuit in the High-Speed Radiator Fan Control circuit, HIGH-SPEED RADIATOR FAN RELAY CONTROL CIRCUIT OPEN, HIGH-SPEED RADIATOR FAN RELAY CONTROL CIRCUIT SHORTED TO GROUND and HIGH-SPEED RADIATOR FAN RELAY. To address the issue, it is important to understand the underlying causes of the RAM Code P0481 and the available solutions. Following the solutions mentioned earlier can resolve the problem, and the RAM Code P0481 can be eliminated.
📢Read also: RAM Code P262D
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