smallengineguy

Here is a list of trouble codes for Yammis (Genesis 120 engine):

15 - Throttle Position Sensor and Circuit problem
16 - Throttle Position Sensor stuck
21 - Coolant Temperature Sensor and Circuit
42 - Speed Sensor
46 - Power Source Voltage
80 - Grip Warmer Switch and Circuit
81 - Grip Warmer and Circuit
82 - Thumb Warmer Switch and Circuit
83 - Thumb Warmer and Circuit
84 - TORS System Activated(throttle override)
86 - Cold Engine Protection Activated

I'll make this a sticky in the How To's. Thanks to Blizzard721 for the info!

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lin_mcclellan

We are seeing the code 46 22 on our yamaha apex genesis, think it is 2004. What does that mean? Thanks!