Yamaha Fault Code
Free · no signupCode 19
No Start / MIL On
Variant 1
System
Safety
Symptom
No Start / MIL On
Diagnosis & fix steps
LOGIC: Sidestand Switch Circuit Malfunction.
ACTION: Clean the pivot area with contact cleaner; check the green/white wire for breaks.
Red Seal field insights
Logic: The ECM thinks the stand is down while the bike is in gear.
PRO-TIP: Very high search volume in the Philippines due to road grime buildup.
Variant 2
System
Safety
Symptom
No Start / Sidestand Error
Diagnosis & fix steps
LOGIC: Sidestand Switch Circuit Open.
ACTION: Clean mud/grime from the sidestand pivot switch.
Red Seal field insights
Logic: Bike "thinks" the stand is down while in gear.
FIX: Jump the pins to test; if it starts, the switch is dead.
Same code keeps coming back?
That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.
Read before you touch anything
- This is general reference information, not a repair manual. It is for trained, qualified technicians.
- Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
- Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
- You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
- Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.
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