Subject: E65/2005 745i No crank, no start, new battery and IVM. please help, well written post.
submitted by /u/Chance_Screen5202
Vehicle Specs: 2005 BMW E65/745i , N62B48, 4.4 liter Valvetronic , Non comfort access
Transmission: GA6HP26Z automatic transmission
Main Issue: No Crank, No start, new OEM registered battery, New OEM IVM
Brief History and presentation of Vehicle: Currently has 99 thousand miles, completely stock OEM, no comfort access feature. 2nd owner since 18K miles. No accidents. Driven carefully throughout the years. Garage kept except for one winter. Issues I have had was a leaking transmission line which was replaced 2 years ago and has appeared to be functioning well since. Replaced alternator last year, unfortunately did not replace, alternator bracket, gasket or pulley. Underlying typical valve issues with white smoke that appears after acceleration takeoff which has been going on for the past 20K miles. I moved to Baltimore a couple years ago, I left the car with my dad to drive until I was more confident the car could make the long journey from ohio, given the recent alternator issues and a episode of limp mode/Failsafe while driving on highway in mild rain conditions. Alternator was replaced and car was driven short distances a few times per month. My father would occasionally jump the car as he attributed the dead battery to driving very little. He also reported occasionally needed to take key in and out to a couple times until car started. He also reported the gear shifter would intermittently be difficult to engage from Park to Drive.
Fast forward 2 years later (September 2021), I returned home, drove it to my new apartment, car ran poorly in my opinion, seemed to have less power, shifting roughly. I figured it needed an tune up and routine maintaince. I Decided to wash the car prior to taking it to my mechanic. Car was washed while engine off and with a low-pressure power washer. The Car was washed and shortly after did not start again. An attempt to jump the car from terminals under hood without success. A new battery was purchased and installed, the car started briefly (10 seconds) and then turned off. Hasn’t started since/ cranked over/ turned over since. There was concern for water damage or some type of short given the recent car wash. Grounds/ fused, relays, B+ terminal, were checked in detail (including under passenger seat, trunk boot). No signs of water anywhere except possibly passenger right floor due to shampooing carpet during car wash. An OEM BMW factory IVM was replaced without any change in status. Ground was checked at multiple levels. My volt-meter reported 12.2 volts at battery terminal, B+ terminal, engine, grounds.
A OBD scan tool (snap-on) was inserted and 47 codes showed up, codes cleared but some remained, some codes were : 2E95 Generator, 2A17 Diagnostic module tank leakage (DMTL) system error, 2A08 secondary air system 2, 2A1E fuel level signal. Also what was alarming was I was not able to establish connection to the transmission with my scan tool. Thus I have ordered a KD-CAN cable and currently downloading INPA, ista, NCS, winKFP for further diagnostic evaluation.
Current Status Quo: Still No crank, no start. At this time the Car unlocks and locks with remote/key. All functions of remote work. The Moment car is unlocked or door opened, the instrument cluster will assume control and illuminate. The Shift pattern/associated arrows next to RND will just flash at a frequency of 1.5Hz. The POSITION indicator for R,N and D will illuminate but will Not highlight to show what gear its in. There is no P (park) illumination nor will gear selector button work when P is pressed. I have noticed the LED light on the gear shift selector and the ignition start/stop button will some times be illuminate and sometimes wont.
-Single acoustic signal/gong noise is made
-Turn signals work, brakes light up when pressed, lights, radio, windows, lock buttons, blower motor, I drive , headlights , door w/ soft close, trunks, interior all work well. The steering wheel adjustments work,
-No light flickering, no changes/dimming of lights, screens, dash, ext.
-Key Is recognized and remains inside the slot.
-parking brake / EMF works when pressed and ignition is switched “ON"
LC display shows:
Display area 5 & 4 graphic symbols/messages include:
Help and future plans: Check starter, alternator. Download Ista,inpa,wink,NCS ext. Look into how to test and check the gear selector, hear selector lever CAN defect/ Can bus error, TCM malfunction, EWS, DCS, SZL. Hoping to find a master technician who can help me remotely during this process once the cable and software is available in next couple days. Any guidance would be greatly appreciated. Selling car is not an option at this time due to sentimental value. Please help me and my family.
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