Removed JB4 and Car No Longer Works

REV.olution · 08-27-2016, 03:12 PM

Removed the JB4 Tuesday, drove well for one day.

Wednesday afternoon the car immediately threw:
Tranmission Warning Codes
AC Turned Off
Radio/Iscreen Turned off
DSC codes and error
Finally, the transmission wouldn't get out of Park

So, I opened the hood, disconnected the entire DME, changed the relay in the DME box, and went over every area with a fine tooth comb. Once again,
No bent pins in the DME
All wires are properly snug
All changes required by the JB4, including that green/orange cord swap, was intact

So finally, I went to autozone and had them replace my battery for me. I used my bavarian technic cord and reset the ecu and cleared the ECU 10x. I also let the car run for 30 minutes and simultaneously erased codes as they kept coming back. No luck.

Waiting for my BMW Appt on Wednesday but any suggestions would be appreciated.

TrollToll · 08-27-2016, 05:15 PM

Terry's revenge

Sean978 · 08-28-2016, 08:31 AM

hmmm.... didn't see you mention if you tried reinstalling JB4 to see if it fired back up with jb4 reinstalled or not.

Fundguy1 · 08-28-2016, 08:41 AM

Plugs are in the correct slots and completely connected?

REV.olution · 08-28-2016, 02:52 PM

FIXED: Bad alternator. Voltage had spiked to 17.79 and was throwing bad generator codes and making everything else go haywire.

Fundguy1 · 08-29-2016, 08:28 AM

Quote:

Originally Posted by REV.olution

FIXED: Bad alternator. Voltage had spiked to 17.79 and was throwing bad generator codes and making everything else go haywire.

Glad it's fixed. Crazy how sometimes stuff happens at the same time but coincidences do occur.

08-27-2016, 03:12 PM	#1
REV.olution Private 3 Rep 89 Posts Drives: 2007 335i, 2017 Pathfinder Join Date: May 2014 Location: Florida iTrader: (0)	Removed JB4 and Car No Longer Works Removed the JB4 Tuesday, drove well for one day. Wednesday afternoon the car immediately threw: Tranmission Warning Codes AC Turned Off Radio/Iscreen Turned off DSC codes and error Finally, the transmission wouldn't get out of Park So, I opened the hood, disconnected the entire DME, changed the relay in the DME box, and went over every area with a fine tooth comb. Once again, No bent pins in the DME All wires are properly snug All changes required by the JB4, including that green/orange cord swap, was intact So finally, I went to autozone and had them replace my battery for me. I used my bavarian technic cord and reset the ecu and cleared the ECU 10x. I also let the car run for 30 minutes and simultaneously erased codes as they kept coming back. No luck. Waiting for my BMW Appt on Wednesday but any suggestions would be appreciated. __________________ BMS OCC, BMS DP, BMS DCI, ER Charge Pipe, Tial BOV, VRSF 7" FMIC, VRSF Additional pipe to charge pipe, Walbro Inline Fuel Pump, JB4 G4, Walnut Blasting, New 1-Step Colder NGK Plugs, Amsoil Motor Oil.
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08-27-2016, 05:15 PM	#2
TrollToll Banned 654 Rep 946 Posts Drives: 535i Join Date: Sep 2015 Location: Texas iTrader: (0)	Terry's revenge
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08-28-2016, 08:31 AM	#3
Sean978 Private First Class 35 Rep 120 Posts Drives: 2007 335i 6MT SGM Join Date: Jan 2014 Location: Nashua, NH iTrader: (0)	hmmm.... didn't see you mention if you tried reinstalling JB4 to see if it fired back up with jb4 reinstalled or not.
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08-28-2016, 08:41 AM	#4
Fundguy1 Major General 2032 Rep 8,339 Posts Drives: 335 e93 Join Date: Aug 2014 Location: Orlando, fl iTrader: (0)	Plugs are in the correct slots and completely connected?
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08-28-2016, 02:52 PM	#5
REV.olution Private 3 Rep 89 Posts Drives: 2007 335i, 2017 Pathfinder Join Date: May 2014 Location: Florida iTrader: (0)	FIXED: Bad alternator. Voltage had spiked to 17.79 and was throwing bad generator codes and making everything else go haywire. __________________ BMS OCC, BMS DP, BMS DCI, ER Charge Pipe, Tial BOV, VRSF 7" FMIC, VRSF Additional pipe to charge pipe, Walbro Inline Fuel Pump, JB4 G4, Walnut Blasting, New 1-Step Colder NGK Plugs, Amsoil Motor Oil.
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