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08-04-2014, 06:21 AM | #1 |
Why so serious?
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Limp Mode w/ Codes [1st gear = Reverse?!]
Hey guys.
2004 BMW Z4 3.0i w/ SMG Transmission. Currently in limp mode and have the following codes. All hard coded, nothing can be cleared. Back story: I got the SMG Pump replaced TWICE. The first time around the pump worked, no codes. But then the pump failed. Second time around, with a brand new pump again. No codes, drove for a day. The next day, INTERMITTENT limp mode. The next day, stuck in limp mode. OFTEN, 1st gear would throw me into Reverse - SCARY when taking off on a green light Maybe it was not flashed/re-taught properly? Alternator? Regulator? TCM? Battery? I've had the battery tested, and replaced twice with new batteries. IF it is the alternator/regulator, please visit my other thread: http://www.zpost.com/forums/showthread.php?p=16404539 Engine Codes 299A Error Management EGS 281D BSD Alternator Signal Implausible 281C BitData Port Signal Implausible 27C3 Thermal Oil Level Sensor Tranny Codes 20916 (51B4) 20213 (4EF5) I get other sensor codes like, Convertible roof top, Dashboard cluster, Heating/AC etc. But they have been cleared. Your thoughts? Thanks Last edited by SwissArmy; 08-04-2014 at 06:28 AM.. |
10-11-2014, 11:07 AM | #3 |
Colonel
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Drives: ESS/G-Power Z4M, VF Z4, 996tt
Join Date: Sep 2009
Location: Los Angeles
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A bad alternator can cause all kinds of coding errors. My M thought it was an automatic, and wouldn't start because the gear selector wasn't in park
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