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techtalk:evo:trouble01 [2021/08/01 02:41] ixl2relax [ECM Password Learn Procedure] |
techtalk:evo:trouble01 [2024/01/09 03:16] (current) hippysmack |
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====== ECM Password Learn Procedure ====== | ====== ECM Password Learn Procedure ====== | ||
- | The TSM/TSSM modules share a password with the ECM (and instruments) on fuel injected bikes (and ICM's on early rubber mount bikes). When replacing an ECM/ICM or TSSM or Speedometer, you must go through a password learn procedure. If the procedure is not followed, the engine will start and run for a few seconds, and then stall. This will typically throw a P1009 or P1010 diagnostic code. | + | The TSM/TSSM/HFSM modules share a password with the ECM/ICM and Speedometer (2004-later) during operation. When replacing an ECM/ICM or TSSM/HFSM or Speedometer, you must go through a password learn procedure. If the procedure is not followed, the engine will start and run for a few seconds, and then stall. This will typically produce a P1009 or P1010 diagnostic code. |
The learn procedure MUST be followed from start to finish without any interruption. If interrupted, starting over from the beginning is the only option. | The learn procedure MUST be followed from start to finish without any interruption. If interrupted, starting over from the beginning is the only option. | ||
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**Connect the motorcycle up to a trickle charger and pull the headlight fuse before starting these steps, which take more than 30 minutes to complete.** | **Connect the motorcycle up to a trickle charger and pull the headlight fuse before starting these steps, which take more than 30 minutes to complete.** | ||
- | For information about removing/replacing the TSM/TSSM, click this [[http://xlforum.net/forums/showthread.php?t=573200|XLForum Thread]] by XLForum member 'Cosmo Kramer' on the topic. | + | For information about removing/replacing the TSM/TSSM, click this [[https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-electrical/sportster-motorcycle-electrical-and-ignition/79011-tsm-tssm-hfsm-how-to-disable-alarm-and-or-replace-unit?t=573200|XLForum Thread]] by XLForum member 'Cosmo Kramer' on the topic. |
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| HFSM or TSSM new unit installed | YES | | | HFSM or TSSM new unit installed | YES | | ||
| ECM new unit installed | YES | | | ECM new unit installed | YES | | ||
- | | Speedometer or Tachometer new unit installed | YES | | + | | Speedometer new unit installed | YES | |
- | *If a TSM has been replaced with a HFSM, or a HFSM has been replaced by a TSM, password **is** necessary. | + | |
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