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No, this works only for '04 and newer. The earlier years have a limited number of codes that can be pulled through a process using the turn signals for TS/SM codes and the the ignition switch for ECM codes.

To pull the ECM codes on your bike:

1) Make sure the kill switch on the handlebar is in the "RUN" position.

2) Turn the ignition switch to the ignition position for 4 seconds, then turn it off for 3 seconds, then on for 4 seconds, then off for 3. then turn it on, and in 8 seconds your check engine light will start flashing.

3) There will be a series of rapid flashes (3 per second) then a 2 second pause, then the lamp will flash one or more times to indicate the first digit of the trouble code. count the number of flashes (one sec. each, one sec. apart) to get the first digit. then there will be a 2 second pause, then the second digit will flash out in the same way as the first.

if there is more than one code, they are seperated by an "intermisson" of rapid flashes.

Keep writing down the code flashes, until it repeats the same one. Once it does, you have retreived all codes.

The codes are:

11 = Trottle position sensor

12 = Barometric pressure sensor

14 = Engine temperature sensor

15 = intake air temp. sensor

16 = battery positive voltage

23 = front injector

24 = front ign. coil

25 = rear ign. coil

32 = rear injector

33 = fuel pump relay

35 = Tachometer (doesn 't apply on FLHR/C-I)

41 = Crankshaft position sensor

42 = camshaft position sensor

44 = bank angle sensor

52, 53, 54, and 55 = ECM problems requiring new ECM

56 = Crank position sensor/Cam position sensor signal error

Harris