2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 417Get this manual
ELECTRIC SHIFT PROGRAM (ESPFE model) Problem Code 11: Vehicle Speed Sensor System 1Speedometer Inspection Check the speedometer during low speed drivingIs the speedometer showing the correct vehicle speed? NO YESCheck the (page 21-12)- GO TO STEP 2combination meter
2ECM and Rear Vehicle Speed Sensor (VSS) Connection Inspection Remove the front fender (page 3-9)Check the connection of the ECM and the rear VSS connectorsAre all connections good? NO YESConnect the ECM andor rear VSS connector securely- GO TO STEP 3