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[Magic_biky]

Hi all,

yesterday I left my bike to my French HD dealer to cool the bike with a SE stage 1 AC & change the rear heat gasket that was leaking , this rendez-vous was place more than 1 mouth ago. They give me the bike back without changing the gasket (they had forgotten that this gasket as to be renforced...) & the SE stage 1 kit was out of stock ! They asked me to come back end of november, no rendez-vous available before ! For sure we have in France the dgreatest dealer of the world 

By the way, they found an error code that they weren't able to explain may be someone of you know it : B1154 ?

Thanks & regards
Pascal

[Vosselman (NL - Europe)]

This is a clutch switch error.
"Clutch switch short to ground"

Best regards from the Netherlands

[SE08RK]

The 'B' codes are all related to the ABS brakes. The re-initializing code from the system being totally de-energized for a period of time is the usual for B1154 which has to do with the logic function of the system.

[Vosselman (NL - Europe)]

I thought HD used same codes on all bikes, the clutch switch DTC is from a VROD.
SE08RK probably is correct. I can test this on a 2008 Ultra which has been running on a dyno. There we see the ABS dtc all the time, as the front wheel is not turning and the rear is turning. This will trigger an ABS DTC.

[grc]

I thought HD used same codes on all bikes, the clutch switch DTC is from a VROD.
SE08RK probably is correct. I can test this on a 2008 Ultra which has been running on a dyno. There we see the ABS dtc all the time, as the front wheel is not turning and the rear is turning. This will trigger an ABS DTC.

The DTC's should be the same across all models.  While not strictly mandated (yet) by uncle sam like the emission related codes on passenger cars and trucks, having the same codes mean different things depending upon which model and year bike would not make sense at all.  Of course, on the other hand we are talking about Harley-Davidson, so pretty much anything is possible.

On the older models, there are "B" codes for items such as alarm output (B1131&1132), battery voltage (B0563), turn signal errors (B1121&1122), ignition switch open/low (B1141), various sidecar related items (B1151, 1152, 1153), etc.  There is no B1154 listed in 2005, so it makes sense that this is a new item added after the '05 model.  The clutch switch as well as the ABS is new, so either could have a new "B" code.  We need someone with the latest Electrical Diagnostic manual to look this up, I don't have anything for '07 or later myself.

BTW, originally the first letter of the code was specified based on the vehicle subsystem.  "P" was for Powertrain, "B" was for Body Electrical, "U" was for data communication, etc.

Jerry

[SE08RK]

Unfortunately, HD and their publisher as yet have not released the El. Di. Manual for the '08 models. The reason that I'm familiar with this and another 'B' code is that I was playing around with this SERK and happened to receive this diagnostic code under the last code section in the diagnostics -'b'. I was alarmed about it so got hold of the local dealer who told me what they are related to - the ABS brakes. The ones that I had (two codes) pertained to the initial set-up and power up of the bike by the dealer who prepped the motorcycle for delivery but failed to clear all of the diagnostic codes. This dealer told me that the 'b' , which I was not familiar with, pertained to the ABS brakes specifically.

[Twolanerider]

This dealer told me that the 'b' , which I was not familiar with, pertained to the ABS brakes specifically.

At least in prior years; not.  Examples being:

B0563 Battery Voltage High TSM/TSSM
B1004 Fuel Level Sending Unit Low Instruments
B1005 Fuel Level Sending Unit High/Open Instruments
B1006 Accessory Line Overvoltage Instruments
B1007 Ignition Line Overvoltage Instruments
B1008 Reset Switch Closed Instruments
B1131 Alarm Output Low TSM/TSSM
B1132 Alarm Output High TSM/TSSM
B1134 Starter Output High TSM/TSSM
B1135 Accelerometer Fault TSM/TSSM
B1151 Sidecar BAS Low TSM/TSSM
B1152 Sidecar BAS High TSM/TSSM
B1153 Sidecar BAS Out of Range TSM/TSSM

[SE08RK]

The last code given in the diagnostic codes and shown on the speedometer LCD readout is a 'b'. They are in sequence: P;S;SP;T;B as they are shown on this '08 motorcycle. The code was interpreted by the local HD dealer who told me as I related here. This 'b' does not show on any prior EFI motorcycles that we own, only the '08. The rest are : P;S;SP;T.  - no 'b' shown.

But I agree with what you posted, I have the same list for earlier models that do not show a 'b' in the sequence. So does HD follow any rule with their codes? I don't know about that, but I have no reason to doubt what this dealer told me since none of the other problems were evident either and we have no sidecar - dammit, wish we did!

[Twolanerider]

The last code given in the diagnostic codes and shown on the speedometer LCD readout is a 'b'. They are in sequence: P;S;SP;T;B as they are shown on this '08 motorcycle. The code was interpreted by the local HD dealer who told me as I related here. This 'b' does not show on any prior EFI motorcycles that we own, only the '08. The rest are : P;S;SP;T.  - no 'b' shown.

But I agree with what you posted, I have the same list for earlier models that do not show a 'b' in the sequence. So does HD follow any rule with their codes? I don't know about that, but I have no reason to doubt what this dealer told me since none of the other problems were evident either and we have no sidecar - dammit, wish we did!

Not to hijack or detour the thread, but for awhile now I've thought a paint matched side hack would be pretty cool too.

[SE08RK]

Color matched with the ghost flames!!! Good grief, that would be something to behold! Now, sorry for that hijack too! Back to the subject - my motorcycle! codes, codes!

[Vosselman (NL - Europe)]

Just checked DTC's on a 2008 Ultra with Racetuner V476.
No B codes are listed. So unfortunately no info yet.....

[SE08RK]

Unlike many motorcycle advanced braking systems, Harley-Davidson ABS is not a linked system, meaning the rider maintains full, independent control of both front and rear brakes. And in this case, I'm not sure that you would encounter a code if one wheel never began to rotate since it is termed an unlinked system. That's a good question about the operation of this ABS system...anyone know about this?

[SE08RK]

This is a clutch switch error.
"Clutch switch short to ground"

Best regards from the Netherlands

This is absolutely correct...!!!! The code prefix and the diagnostic code readout are totally different. The 'b' that I referred to is the readout code letter for ABS brakes. The DTC for the ABS system is "C", not "B". The "B" is still the chassis main wiring. "B1154" is as Vosselman initially said: "Clutch Switch Short To Ground".

Sorry for my confusion about this...hope this hasn't caused any grief! Except for my red face!!!

These service manuals are a Must! I just picked this '08 Electrical Diagnostic Manual up from the local dealer.

[Magic_biky]

Thanks guys for your search. I'll see what HD will do.
by the way, the key signal is always red when engine is running, alarm is working & nothing abnormal except key signal on. Does it help ?
Best regards
Pascal