41
Blower motor fault
This code typically points to
- Blower motor/module fault
- Communication failure between blower and control
- Power/harness issue
Next checks to confirm
- Verify line voltage and harness
- Inspect blower wheel drag/binding
- Isolate ECM module/motor vs control with OEM motor procedures
Escalation
If code 15 follows, event has escalated to blower motor lockout.
Reset behavior
May escalate to 15 lockout after repeated failure.
Urgent
Fix now