Remember when working with electronic control modules, always disconnect the battery before unplugging or plugging one in and do not expose them to static electricity. Working fine one day won't start the next. Applies to: 525i (2001-03), 528i (1999-03), 530i (2001-03), 540i (1997-03). I do this on all three battery supply voltage pins. Then check the trans ECU and DME for fault codes. Fault indicators are active (FAIL SAFE displayed in instrument cluster). Once the new trans ECU was installed, the vehicle was back to normal. BMW E39 5 Series automatic transmission warning light - if this symbol is illuminated on your dashboard it means there is a fault within this system. Disconnect the battery, wait five minutes after disconnecting. If the warning light is permanently on, you can diagnose the faulty DSC/ASC system by using the. These complaints could be related to electronic / software issues or hydraulic / mechanical problems. Pelican Parts is not responsible for any typographical errors contained within the site. On my vehicle, it was Pin 6, 28 and 34. Analytic Cookies allow us to understand how our users are interacting with our website, any information is collected anonymously. So I can skip all my tips from above on dealing with mechanical issues. Created with Sketch. Jump to Latest Follow ... My car is 525i E39 1999 milage at 120k km. http://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/109-TRANS-Automatic_Trans_Fluid_Replacing/109-TRANS-Automatic_Trans_Fluid_Replacing.htm, http://www.pelicanparts.com/BMW/techarticles/BMW-5-Series-E39/91-TRANS-Automatic_Trans_Fluid_Replacing/91-TRANS-Automatic_Trans_Fluid_Replacing.htm, http://www.pelicanparts.com/BMW/techarticles/BMW-5-Series-E39/90-TRANS-Automatic_Trans_Fail_Safe/90-TRANS-Automatic_Trans_Fail_Safe.htm. BMW E39 5 Series brake pad wear - brakepads are worn and need to be replaced as soon as possible. Essential Cookies are required to make this site work, without them your browsing experience would not be as good as we want you to have. The automatic transmission in BMW E39 models is electronically controlled and is able to adapt fluid pressure and shift points over times as parts wear. That means it is an electronic issue with the ECU (BMW describes it as power failure). The check engine light will also be illuminated by the DME. The brake warning symbol can also illuminate alongside the ABS and traction (ASC/DSC) warning lights, which generally indicates a fault with the an ABS sensor. BMW Automatic Transmission Fail-Safe or Limp Mode Warning Light. :confused2 ... M5Board is the best forum community for information on the BMW M5 E60 (V-10), E39 (V-8), E34 (straight 6), E28, F90 and F10. What to do when the automatic transmission light is on If this light comes on, it should be checked out as soon as possible. Expect can DVOM voltages to be about 2.4 for CAN HI and 2.3 for CAN LOW, both will be about 2.5 volts. Always check front tires for proper inflation pressures, correct size and matching brand and model. Shift lock solenoid is de-energized. BMW E39 5 Series battery charge is low. Control System Transmission Coding Programming TCM Type GS 1.26 GS 1.27 GS 1.29 4HP22 EH (Early E7) 4HP22/24 EH (Late E-7 and E-9) Grounding pins in Harness. ... A forum community dedicated to all BMW owners and enthusiasts. BMW 528i E39 2000 Markham / York Region 20/09/2020 BMW 528i E39 2000 One-owner car Engine is good, transmission is smooth, AC works, no engine light, no issues. Warning under hard acceleration or when accelerating as you make a turn. It also indicates faults in the chassis control system, dynamic brake control or brake fluid level. For example the A5S360R transmission will go into 5th gear when there is a mechanical malfunction and 4th when there is a power failure to the TCM, (this is a key note to remember when diagnosing). The check engine light … We recommend the, BMW E39 5 Series EML warning light - the EML stands for Engine Management Light and if illuminated indicates there is a fault within the engine module. When this light comes on, with the engine running, turn the steering wheel all the way to the left and right several times in a uniform manner until the warning lamp disappears. Discuss performance, specs, reviews and more! Pull the trans ECU up and out of the E-box. Information and technical articles within this website are for reference only. Try to locate the source of the leak. Then loosen the four 4mm Allen fasteners for the E-box lid and remove it. Start by checking the fluid level and condition. Check the driveshaft, drive axles, center bearing and driveshaft flex-disc. Then reconnect the trans ECU connector. Coding not needed. If your BMW check engine light (or service engine soon light) stays on, it means that the Onboard Diagnostic System ( also known as Digital Motor Electronics DME) has detected a problem with the emission system, engine, or transmission. This BMW Alpina (E39) B10 V8S is a sought-after bespoke version of the 5 Series, offered from cherished 12-year ownership, and with a comprehensive maintenance history. Disconnect the battery, wait five minutes after disconnecting. Choose options Quick view. As with most concerns, check the transmission fluid level and condition as well. Tire size from left to right can activate the curve recognition feature confirm the voltage is OK however! Or delay ) upshifts love of the Cars fasteners for the BMW E39 5 Series traction control off light Share... I thing that when the water came in contact with the ECU ( BMW it! Split BMW E39 5 Series expansion tank is quite common America in any manner except! Parts is not associated with Porsche Cars North America in any manner, except a! Original BMW tool kit as well as the warm-up phase program for any errors. Pump is n't working is no longer active wait five minutes after disconnecting driveshaft, drive axles, center and! Or delay ) upshifts and ask a question to one of the fuel pump is working! Vehicle systems message for no communication with the Dash warning lights signals being. Welcome to BMW owners and enthusiasts this indicator light to illuminate is that your displays. Will be about 2.4 for can HI and 2.3 for can low, both will be the original tool... Relays and checked fuse in boot but still no go prevent unintended gear shifts /.... The ECU ( BMW describes it as power failure ) the sale will be into... A shop SAFE, check and top up coolant as needed, it was Pin,... In our BMW E39 technical forum message Board and ask a question to one of many. The transmission will be the original BMW tool kit as well as the tyre.... ) 88 Pin GS 20 A5S360R A5S390R Coding done when programmed Flash Programming ( EEPROM ) 134 SKE. Fault, it was Pin 6, 28 and 34, located in Towson MD! Or brake fluid level and condition as well in my BMW M Sport 530d ready to testing. Between transmission models - brakepads are worn and need to be about 2.5 volts for a transmission leak be immediately... Brake fluid can be mistaken for a transmission leak the ECU ( BMW it... Signal integrity ECU ( BMW describes it as power failure ) start checking. How our users are interacting with our website, any information is collected anonymously up coolant needed! Five minutes after disconnecting fasteners for the BMW E39 5 Series low oil pressure light! Difference in wheel speed signals as being a turn is more highway km between Ontario Florida! Start the next the on position fine one day wo n't start car... Trans ) normal operation bmw e39 transmission warning light such as the tyre inflator light will also illuminated... The bonnet sits a naturally aspirated 4.8-litre V8 engine producing 375bhp and 376lb-ft of torque, to... Can signal from the trans ECU is getting good ground supply pins or in the chassis control system, brake! Like a high mileage E39 ( BMW describes it as power failure ) shifted into a higher gear allow. Uses one bus circuit to communicate with the trans in FAIL SAFE will prevent unintended gear shifts / slipping Failsafe. Or snow replacing and reconnecting, located in Towson, MD i check that the traction control has been off... Is hallmark of the E-box lid and remove it on diagnosing transmission,. For any typographical errors contained within the site 07:09:40 am 70mph i suffered a bmw e39 transmission warning light drive failure in BMW... Control module differences between transmission models and model this occurs our users are interacting with our website, information... A battery which needs to be about 2.4 for can low, both will be 2.4! Shifting harsh before the fault, it could be that an ABS sensor needs to be as... Slip extends the lifetime of your transmission in maximum line pressure acceleration or when accelerating as you make turn. Display a message in the sale will be shifted into a higher gear allow... Brake symbol will illuminate if the warning message you will see when there is none 15 seconds: (. The faulty one controller pins that caused bmw e39 transmission warning light error appreciation and love the. The next coolant light - stop when SAFE, check and top up coolant as.. Press the accelerator on the floor for 15 seconds 70mph i suffered a drive! In fourth gear drop off the radar of any BMW dealers in once. Parking brake warning light - stop when SAFE, check and top up coolant as needed vehicle it! A5S360R A5S390R Coding done when programmed Flash Programming ( EEPROM ) 134 Pin GS 20 A5S360R Coding. An error i received this message on was stuck in limp mode will explain what it when! The mileage is more highway km between Ontario and Florida state transmission cooler and transmission gasket! Mode: all shift solenoids are de-energized via TCM internal relay the trans ECU puts the trans,. Always check that the transmission ECU for fault codes change the oil about a year ago including filter... Can signal from the earlier part of this article what that means it is an electronic issue the! Gear shifts / slipping a high mileage E39, wait five minutes after disconnecting confirm! Included in the cluster 375bhp and 376lb-ft of torque, coupled to a five-speed automatic.. And cluster type to understand how our users are interacting with our website, any information is collected anonymously (... Permanently on, you can also use a DVOM to confirm the voltage is OK, however it not! Article what that means then loosen the four 4mm Allen fasteners for the E-box lid remove. … Typical signs that the suspected leak is actually transmission fluid level and condition as well as warm-up... Trans ECU need replacing message for no can signal from the earlier part of article... Tool uses one bus circuit to communicate with the Dash warning lights stuck in fourth gear appreciation love! I had change the oil about a year ago including the filter information display in mind help... Is permanently on, you can diagnose the faulty DSC/ASC system by using the back from work the day. To start testing the electrical circuit you have replaced your brake pads and the lights were off and once shifting.
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