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#11
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MV1 pin 38,21 30.8 ohm MV2 pin 26,21 29.5 MV3 pin 16,21 30.2 if I'm getting codes for electrical faults, and the wiring and resistances are good down the harness to each of the solenoid valves, the likelyhood of a failing module is higer.
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. |
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#12
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#13
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which I suspect is temperature dependent so the idea of a temp logger is a very good one. Clear the codes and start when cold. Drive until it faults and see what temp. Then cool the ebox with maybe a cool pack or just leaving the lid off. I've had many many cases of computers iPhones and iPads freak out when hot.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#14
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Fault memory
SGBD BNTN code Description Vehicle mileage Is currently present? GS8602 --- 0x000001 EGS: Pressure actuator EDS 1 --- Unknown GS8602 --- 0x000004 EGS: Pressure actuator EDS 4 --- Unknown GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000011 EGS: Solenoid valve 2 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown its acting like not even connected as an experiment, i disconnected the 40 pins connector and ran test again Fault memory SGBD BNTN code Description Vehicle mileage Is currently present? DSC57 --- 0x00003A DSC: No message from EGS control unit --- Unknown GS8602 --- 0x000001 EGS: Pressure actuator EDS 1 --- Unknown GS8602 --- 0x000004 EGS: Pressure actuator EDS 4 --- Unknown GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000011 EGS: Solenoid valve 2 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown IKI --- 0x0000FB IKE: No CAN identification (EGS) --- Unknown ME72KWP1 --- 0x0000DC DME: CAN timeout, electronic transmission management (EGS/AGS) 65526 Unknown And reconnected the 40 pin connector at the transmission controller, then checked and re connected the 16 pin connector at the transmission. cleared and checked again for codes. GS8602 --- 0x000001 EGS: Pressure actuator EDS 1 --- Unknown GS8602 --- 0x000004 EGS: Pressure actuator EDS 4 --- Unknown GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000011 EGS: Solenoid valve 2 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown Measuring resistance of EDS 1 and 4 as per the fault codes; from the 40 pin connector at Transmission Control Module. EDS1 pin 28,21 7.2 ohm EDS2 7,21 6.5 ohm and, from a step above MV1 pin 38,21 30.8 ohm MV2 pin 26,21 29.5 MV3 pin 16,21 30.2
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. Last edited by aureliusmax; 03-08-2020 at 01:48 AM. |
#15
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Determined from a 'RRPhil' diagram
![]() from another forum the commonality between MV1,MV2,MV3 and EDS1,EDS4 is a power source from the TCM pin 21 which I was not getting any voltage from, as it measured at 0V. I applied a jumper wire with Battery voltage to pin 21, deleted and retested for codes, I got a new set of faults; Fault memory SGBD BNTN code Description Vehicle mileage Is currently present? GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000053 EGS: ECU internal fault 4 (FET) --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown ME72KWP1 --- 0x0000DC DME: CAN timeout, electronic transmission management (EGS/AGS) 65526 Unknown Removing the jumper, deleting and testing codes again; Fault memory SGBD BNTN code Description Vehicle mileage Is currently present? GS8602 --- 0x000001 EGS: Pressure actuator EDS 1 --- Unknown GS8602 --- 0x000004 EGS: Pressure actuator EDS 4 --- Unknown GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000011 EGS: Solenoid valve 2 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown Seems like the fault is in the transmission control module. Now what ? ![]()
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. Last edited by aureliusmax; 03-08-2020 at 04:28 AM. |
#16
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I would take a good look at the solder joints inside the TCU.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#17
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The next day, continue, cold operation;
GS8602 --- 0x000001 EGS: Pressure actuator EDS 1 --- Unknown GS8602 --- 0x000004 EGS: Pressure actuator EDS 4 --- Unknown GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000011 EGS: Solenoid valve 2 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown after delete fault mem and rescan GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown GS8602 --- 0x000012 EGS: Solenoid valve 3 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown remove and inspect the Printed Circuit Board for the Transmission control module Found a possible over current / shorted trace internal to the multi-layer circuit board, with some damage visible from the top side. cleaned both sides of board with deoxidizer, brakeclean. hot-aired the connector pin solder points on the back of the board. reinstall, clear codes, scan again GS8602 --- 0x000010 EGS: Solenoid valve 1 --- Unknown IKI --- 0x00008D IKE: EGS signal line disturbed --- Unknown at this point based on my troubleshooting and what I have observed I am satisfied that the issue has been isolated to the control module having failed. My next question to the community is; used modules from ebay - since I have never replaced bmw modules before. can I take a used module from the 4.4 engine with 2003 year and install this, any special procedures ? attachments; damage/corrosion on PCB before and after cleaning corrosion found on dme connector
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. Last edited by aureliusmax; 03-20-2020 at 06:04 AM. |
#18
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DME is paired. I don't recall the TCU needing coding but somebody hopefully will follow up. .
The damage you show is in inline with what I was prepared to see based on your errors. Can you see where there damaged trace/s go to put a jumper around them?
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#19
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Quote:
The trans module is an EGS module. Why would you want to pair the Bluetooth module?
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD |
#20
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5HP24 no 1-2-3 no change after valve body replaced
![]() I used the generic term because I speak English. I often call the DME the ECU also.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) Last edited by andrewwynn; 03-08-2020 at 09:41 PM. |
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