General Category > Engine related issues

Fault code Ox21FE12

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Arne Hoflin:
Hi !
I have a R1200RTLC  2014  anybody know what my fault code means

Ruan:
Hi Arne

Looks like your ignition coil 1 is below the required voltage, the suggested action is listed below:
Check lines, wiring harness and plug connector to ignition coil 1.


Check plug connector wiring harness to the DME.

Check ignition coil 1.

Kind regards
Ruan

e7navy1999:
hey Arne,  how many miles on the bike?  My 2012 has 100k miles.  two coils are faulting.  BMW said since it is a ton of work, removing tire, plastic, draining coolant ect they suggested to just replace all six.  I found six used coils (the upgraded metal wrapped coils) for $25 each so will replace all six this fall when my garage cools down.  I think a good coil should ohm to 10.26-10.65 ohms.  My understanding is you have to check them cold and warm.  Coils can ohm ok cold but when warm drop off to below 10ohms.  If there is any change at all when warm the coil is failing.  Heat in a toaster oven to about 180-200 degrees then check ohms with a meter

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