DTC P0483-36: Fan Performance - Signal frequency too low: Action
- Confirm if customer has been deep water wading
- Check for damage to or blockages in fan and fouling of fan cowling. Rectify as required
- Refer to the appropriate system wiring diagrams and check engine cooling fan circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Clear the DTCs and retest