- A faulty blower motor resistor or relay could prevent the blower from receiving power. Check the condition of these components and replace them if necessary.
- A blown fuse or tripped circuit breaker could also be the culprit. Check the fuse panel and circuit breakers and replace or reset any that have blown or tripped.
- Wiring problems could also prevent the blower from working properly. Check the wiring for any damage or loose connections and repair or reconnect them as needed.
Mechanical Issue
- A faulty blower motor itself could be the cause of the problem. Check the motor for any damage or obstructions and replace it if necessary.
- The blower motor may be seized due to lack of lubrication. Try lubricating the motor and see if that resolves the issue.
Incorrect Setting
- Make sure the blower switch is turned on and set to the desired speed.
- Check the temperature control setting and make sure it is set to a temperature that requires the blower to operate.
Other Potential Causes
- A clogged or dirty cabin air filter could restrict airflow and prevent the blower from working properly. Check the condition of the cabin air filter and replace it if necessary.
- A faulty climate control module could also be the culprit. Check the climate control module for any damage or loose connections and repair or reconnect them as needed.