KTM 250 SX-F 2021 Owner's Manual page 137

Blink code for malfunction
indicator lamp
33 Malfunction indicator lamp flashes 3x long, 3x short
Injection valve cylinder 1 – circuit fault
Error level condition
Blink code for malfunction
indicator lamp
37 Malfunction indicator lamp flashes 3x long, 7x short
Ignition coil – circuit fault
Error level condition
Blink code for malfunction
indicator lamp
41 Malfunction indicator lamp flashes 4x long, 1x short
Fuel pump controller – short circuit to ground/open circuit
Error level condition
Fuel pump controller – open circuit/short circuit to plus
Blink code for malfunction
indicator lamp
65 Malfunction indicator lamp flashes 6x long, 5x short
EEPROM – malfunction
Error level condition
Blink code for malfunction
indicator lamp
Malfunction indicator lamp flashes continuously
THREF – malfunction
Error level condition
BLINK CODE 21
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