E92 taillight problem.

Schwalbert · 07-29-2016, 10:03 AM

New circuit board. New bulbs. The taillight will not illuminate even though brake light does. Please help.

d1saster · 07-29-2016, 07:05 PM

Have you reset the bulb check error counter in FRM module?

Schwalbert · 07-30-2016, 09:17 AM

I have not. After reading a thread about the module I still don't understand the basic mechanics of how to read/edit the code. Is it something that an be done without computer interface? I appreciate the help.

d1saster · 07-30-2016, 04:10 PM

Unfortunately it has to be hooked up to a diagnostics system to reset the module. Meanwhile you can check if there's voltage supplied with a multimeter. You can inquire a remote session at the coding section.

Schwalbert · 08-01-2016, 09:02 AM

I verified voltage. What I can't understand is that I can plug up the driver side taillight assembly on the pass side and everything works as it should, which leads me to think the signal is fine. I did this before I ordered the circuitboard. There is wiring in the lens assembly..could that possibly have a fault? What's your thoughts ?

07-29-2016, 10:03 AM	#1
Schwalbert Registered 0 Rep 3 Posts Drives: 2007 335i coupe Join Date: Jul 2016 Location: Kentucky iTrader: (0)	E92 taillight problem. New circuit board. New bulbs. The taillight will not illuminate even though brake light does. Please help.
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07-29-2016, 07:05 PM	#2
d1saster Captain 60 Rep 675 Posts Drives: F15 N55 & E93 N51 Join Date: Oct 2012 Location: Las Vegas iTrader: (0)	Have you reset the bulb check error counter in FRM module?
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07-30-2016, 09:17 AM	#3
Schwalbert Registered 0 Rep 3 Posts Drives: 2007 335i coupe Join Date: Jul 2016 Location: Kentucky iTrader: (0)	I have not. After reading a thread about the module I still don't understand the basic mechanics of how to read/edit the code. Is it something that an be done without computer interface? I appreciate the help.
	Appreciate 0 Quote

07-30-2016, 04:10 PM	#4
d1saster Captain 60 Rep 675 Posts Drives: F15 N55 & E93 N51 Join Date: Oct 2012 Location: Las Vegas iTrader: (0)	Unfortunately it has to be hooked up to a diagnostics system to reset the module. Meanwhile you can check if there's voltage supplied with a multimeter. You can inquire a remote session at the coding section.
	Appreciate 0 Quote

08-01-2016, 09:02 AM	#5
Schwalbert Registered 0 Rep 3 Posts Drives: 2007 335i coupe Join Date: Jul 2016 Location: Kentucky iTrader: (0)	I verified voltage. What I can't understand is that I can plug up the driver side taillight assembly on the pass side and everything works as it should, which leads me to think the signal is fine. I did this before I ordered the circuitboard. There is wiring in the lens assembly..could that possibly have a fault? What's your thoughts ?
	Appreciate 0 Quote