ford focus no communication with ecuford focus no communication with ecu

Going to put new batteries in and see what happens . 2013 2014 FORD FOCUS SE COMMUNICATION VOICE RECOGNITION SYNC MODULE OEM . Check the fuses in the fuse box for if any of them are burned. This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. You can disconnect the connector at the module as a test. The other day the rac had to come rescue me from Tesco car park. If you decide you need professional help, consider giving Solo PCMs a call. Ian Keys Welcome to FTE! 1. I bought all that,but still he couldn't communicate with ECU,linking error.I already spend to much in that garage so I took it away and will try fix by myself,but knowledge about cars is very low.So I bought new Diagnostic scan tool to make sure that there is linking error.http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736This one had linking error. Contact your local Ford, Lincoln or Mercury dealer for details and a copy of the limited warranty. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. All CAN Bus pair wires (CAN H and CAN L) are twisted together. First, hook up the DVOM (positive lead) to Pin #7 into the back of the DLC connector, the ground lead attached to the chassis. Started January 12, By I will reprhaze my question: do cheap chinesse cables are capable to do that programing? Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! AIM: hpdyno. Common fault codes: C1095 - Pump Motor Circuit Failure. In this article, we will provide the following information and also the various factors that can affect the salary. Or the only option is Ford themselfs? and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. Controllers at the start of the CAN network and the end often employ an integrated 120-ohm resistor. 2. could the ecm be causing it. You also have the option to opt-out of these cookies. Car has died when engaged in reverse (twice). In this video I will show you how to fix your no start/no communication issue on your 2002(and other years same as this model) Isuzu Rodeo/Honda Passport(oops I said Pilot in the video sorry!!) Most good scanners will have a detachable and, therefore, replaceable OBD cable. Ford Focus 2006 / 2007 with the rare automatic transmission. is kim mulkey still married to randy robertson If your dealership does not seem willing to help, escalate your concern to the service manager or director, then the Ford Customer Assistance Center at 1-800-392-3673. You can disconnect the connector at the module as a test. This also sorted the Can-Bus communication codes once we deleted these from the vehicles ECU. Module located at-> under Battery Junction Box.Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Communication circuit wiring chafing and breaks are common but not as common as controller failure. ford focus no communication with ecu. Fuel pressure Sensor replaced. The document includes a vehicle-to-PATS cross-reference chart, an ignition key identification photo-guide, a list of PATS DTC descriptions, and many PATS hints, tips, and relearns procedures. They, in turn, signal back so that all the controllers talk to each other. EEC-150. The problem turned out to be a shorted EBP sensor. Part Number: 98AB12650CDG / E9AF14A624AASYLVANIA. This is because they often bypass the surge protector on the ECM, leading to a power surge when you start the vehicle. Afterward try checking the fuses and see if they are working fine. google translate aramaic Started August 26, 2012, By We dont know whats going on inside them, and we dont really care. We then went digging for the powers and grounds to this module. Mechanics view, Where Is My Ignition Coil Located? Started 9 hours ago, By Common Ford Focus and C-Max ECU malfunction will . How to Diagnose ECU Communication Issues? The ignition itself is the culprit. Depending on how your CAN network is wired. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. The ECU has seals around it which are supposed to prevent moisture from entering inside. the 1.6tdci has common problem with fuel filter/fuel drainback. Instrument cluster ok: tested by ECU Testing. You can disconnect the HID/DRL connectors or fuses as a test. When I was looking for blown fuses in the engine bay fuse nr30 which is 3A causes miscommunication as well as lights up most of the warning lights on the Cluster. charlotte brown obituary; masterbuilt smoker water bowl replacement; reno rv park monthly rates; captain pizza hewitt, nj; why did ken norman abandoned his house JavaScript is disabled. Your vehicles DLC terminals are known as female terminals. Blown Fuse. Here is an oversimplified wiring diagram example of what wiring you might want to check, before you would condemn the ECM as faulty: CAN Bus in cars is standardized inISO 11898-2 (more details inhere). Any ideas what fault could be to my ford? They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. Step 3 Liverpool Nightclubs In The 70s, (could be the wiring or the ECU hosting the terminating resistor), No Start | U1000 CAN Communication Circuit | 2006 Nissan Frontier, No Start, CAN Bus Fault | Bad CAN L wire | Vauxhall Corsa, Multiple Electrical Issues, B-CAN bus fault | Corrosion | 2007 Honda Odyssey, If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists, If some of them will have codes about no communication with the ECU in question, Usually each ECUhas at least one wire that supplies. srpocd25 Being that the vehicle can run and die at any time, even if it starts back up after getting this code, we recommend having a mechanic look at it before driving it again. Please consider creating a new thread. Ford provides an excellent document describing the different PATS control function types. They replaced the injectors? Test it with another car and see if it functions, if it doesn't, then probably, the issue is not with the scan tool. Its now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. (Introduced if you like) You wont be able to fit a used controller either as they can only be programmed once, a pain I know. No, a fuse won't cut it. sandy26 View Digital Edition Browse Print Archives. One way is by disconnecting the battery cable for 2 to 3 minutes and waiting to see if the check engine light comes back on upon reconnecting the battery and start the car. There are a few ways to reset your Engine control modules. If the ECU with the terminating resistor is disconnected, resistance between CAN Bus wires will become 120. There are two grounds on the frame rail too. costo de un parto en el hospital thomason el paso tx The official Ford website can be found at http://www.ford.co.uk/, Really Need Help Ford Focus Ecu Communication Problem. Ford Focus 2006 / 2007 with the rare automatic transmission. How to Diagnose ECU Communication Issues? Average repair cost is $650 at 63,650 miles. You cannot paste images directly. If you've plugged into your car's diagnostic port and aren't reading anything, you might think that your OBD-II brain has been fried, but don't declare it dead yet. We also use third-party cookies that help us analyze and understand how you use this website. Marteinn A process of elimination is often fruitful. Also please check out the statistics and reliability analysis of Ford Focus based on all . We'll assume you're ok with this, but you can opt-out if you wish. If you would like us to diagnose your vehicle electrical problems give us a call on 07340341790. For instance, U0101 indicates that the TCM has lost communication with the PCM. Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. The check engine light will be illuminated. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". Should see ECU pin outs. 1) Overall Test Result "not ready". Try to fix it by myself or scrap it. Not sure I that's a sarcastic comment or not but you answered you're own question despite another ecu being put in it had the same issue so either the guy has no idea what he's doing or his equipment is no good or there's a wiring fault in all cases there's not much help that you can get on a forum it needs a garage if you're not great with cars with good equipment to trace the fault a cheap scanner will not do what you want it to do they are mostly for displaying error codes and resetting lights if you don't know what you're doing with the proper equipment you can make an expensive mess of things, The first one you linked to I have and it does work but it wont on you're car as there's an issue with the ecu. From experience what I had,they could spend 10+ hours + some parts.So actually I don't have big choice. Check that it contains the latest software. If you dont have the VIN handy, click the vehicle tab, and you can search by year, model, and manufacturer. Site: focus-power.com. All warning and dash lights would be on and SCT would power up and go through all modes except datalogging and . Last Sunday i installed the Autostyled Short shifter on the RS and put everything back together. Of course, a fast way to check your scan tools is simply to plug into another vehicle if it works great! I have Ford Focus 2005 LX petrol hatchback. Ford Focus 1.8 ECU Fault - Engine Malfunction warning This ECU is a common failure especially for the Ford Focus 1.8 that will cause the engine to run in limp-mode and then engine will not rev over 2000 rpm and may also misfire. Bengi 9 05-07-2019, 02:09 PM. To identify individual controllers, manufacturers generally use acronyms like PCM (Powertrain control module), ECM (Engine Control Module), TCM (Transmission control module), BCM (Electronic brake control module), or EBM (Electronic brake module), or BCM (Body control module), IPCM (Instrument panel control module) you get the idea. Test or replace that Diode.Fuse 48 = Data Link Connector, ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. catholic health buffalo pension plan You can disconnect the HID/DRL connectors or fuses as a test.Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->http://www.focusfanatics.com/forum/s09&postcount=5. All we need do is tell a little white lie to the scan tool or programming device! Ford Focus - ECU Charge Control Kaput - elekie&a/c doctor. Controllers are like black boxes. SKU:SE8132559. Started 11 hours ago, By There is no communications with PCM: PCM will always communicate on the diagnostic link regardless of theft status. I susspect the issues is in the Instrument Cluster. Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. We then went digging for the powers and grounds to this module. Roll the window down. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. zontjiks, Paste as plain text instead, Ford Focus Airbag ECU SRS Module de contrle F1ET14B321CB 0285011993 no crash data. Clear editor. Its very cheap and there is big possibility its doesn't just work.So I decide to do triple check and bought a bit better fault code reader. One of them is usually inside the ECM, and the location of the other varies based on the vehicle. If you can access codes from the TCM module, then the U0101 code is either intermittent or a memory code. When transmission module was disconnected, car started fine. Apparent loss of spark. EEC-150 for 3.0/4.0 V6/4.6 SOHC engines uses PowerPC, however compared to Visteon Levanta the ECU is closer to EEC-VI by design. Login Register. joe patti's seafood restaurant hours 1,25cc. How To Diagnose A Faulty ECU With No Communication ECU TESTING 13.1K subscribers Subscribe 2.2K 182K views 1 year ago No start of the vehicle and no direct communications to the engine. If you continue to use this site we will assume that you are happy with it. Noise from fuel tank may be telling you the pump is bad, they can be heard to spin up and still be bad, the difference is HOW they spin up, you listen for the subtle little difference that says it's not working like usual. Any Ford ECM/ECU/ PCM with -12A650- in the OE part number can be repaired. The ground should be inspected first. difference between sumerian astronomy and egyptian astronomy Connect your Ford scanner or Flash programming device to the diagnostic link connector (DLC). raystown lake map with mile markers Or something like "Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ " that is arround 50 pounds is needed? So they told her it was all 8 injectors and it ran. This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. Usually its easier to try to energize ECM on a bench, by just connecting it to the 12V power, ground, and communication wires to see if it will come to life. If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists before you start checking the wiring, try to read the codes from all the other ECUs (Electronic Control Unit, aka computer). TCS/Electronic Stability Program Module (car options and model dependent): if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. In many cases, this may require a bidirectional scan tool. : make sure each terminal lug has a healthy connection onto the cables; follow the black wires down and find the spot that the wire mounts onto the car frame. The most common reason for getting no OBD code is simply a blown fuse. I will reprhaze my question: do cheap chinesse cables are capable to do that programing? Module located at-> under hand brake, center console. March 2015. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. Ford wants $1200 for the repair ($800 parts $400 labor). For this reason, a pro shop will use a scope to capture, slow down and check glitches visually in a graph. These cookies will be stored in your browser only with your consent. Its known as the handshake. No Start | Shorted Vehicle Speed Sensor | 2002 Acura. Or check out the Code reader Amazon link below. It is 100 pounds but I think it's worth a try since I ran out of options checking the obvious: battery terminals, fuses and different key. When the guy was poking around he set the PATS , the ECU thought he was trying to steel the Focus , Ground off or no power to the ECU/PCM Tom Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! Started February 26, 2015, By Mark_ZS Vehicle ignition should be turned on (Pos II). One of the first symptoms of a problem with the ECM power relay is no power when the key is inserted. Phone: 704-249-3745. The PCM is the engine ECU. Most systems use conventional wiring. 3) OBDII Monitors Not Ready. blue hole louisiana 5.8L. Number one, it only takes a few moments, and number two, while not being the most common cause of a scan tool that wont communicate, it is by far one of the easiest fixes. Your vehicle will employ several. These were the Engine ECU, TCM ( Transmission ) and the ABS module. Moisture is a bad thing to have in an ECU because corrosion will form . The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. did wayne carey win a brownlow If resistance is more than 120, it means that there is a problem with CAN Bus wires and/ or possibly with both ECUs that host terminating resistors. Controllers are connected via multiplexers which facilitate communication and the sharing of information. If you have an account, sign in now to post with your account. The security light should illuminate and remain on. Started 20 hours ago, Ford Owners Club If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists before you start checking the wiring, try to read the codes from all the other ECUs (Electronic Control Unit, aka computer). Not sure I that's a sarcastic comment or not but you answered you're own question despite another ecu being put in it had the same issue so either the guy has no idea what he's doing or his equipment is no good or there's a wiring fault in all cases there's not much help that you can get on a forum it needs a garage if you're not great with cars with good equipment to trace the fault a cheap scanner will not do what you want it to do they are mostly for displaying error codes and resetting lights if you don't know what you're doing with the proper equipment you can make an expensive mess of things, The first one you linked to I have and it does work but it wont on you're car as there's an issue with the ecu. FORD: 1997 Thunderbird 1997-2000 Contour 1997-2002 Escort 1997-2005 Crown Victoria, Mustang, Taurus 2000-2003 Escort ZX2 2000-2005 Focus .If reprogramming still does not complete or you are now unable to communicate with PCM, proceed to the Blank Path Programming procedure.Search: Ford Pcm Failure. I don't know what went wrong. They are part of a network of information. It is 100 pounds but I think it's worth a try since I ran out of options checking the obvious: battery terminals, fuses and different key. 2012 to 2016 Model Year Ford Focus TCM was recalled, and for a short time, Ford was offering to replace the TCM for free and update a software bug that blocked the driver from getting a TCM failure warning. Read More S-Max & Galaxy diesel engine ECU fault U1900 is often thrown up just the scan tool is connected on fords. Westminster School Fees Adelaide, Important information like brake application force, brake application speed, wheel speed, throttle position, ambient temperature, etc. Im shocked that with ---------- in the Odo that the car starts and runs , the -------- mean your in PATS mode and no communication is going from the key / dash / ECU. Using our Carscope Viso and our OTC break out box, we were able to confirm can bus integrity at the. We have very precise tools for this job, but you can still nail this test by improvising a fine paper clip or such. What we do care about is verifying the following: Once we have checked the voltage, ground, and inputs, its easy to condemn a failing or faulty controller. Started Monday at 08:19 PM, By This means that the exact fix will still depend on your vehicle's make and model. MikeM1988 . TomsFocus FOC Supporters 19.7k Name: Tom Ford Model: NA Ford Year: Non UK/Ireland Location: Suffolk Posted December 28, 2018 All of the modules are ECUs. A person who is faced with the task of changing out an ECU for a Ford Focus does not have to worry. But opting out of some of these cookies may have an effect on your browsing experience. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. To help stabilize resistance, the CAN circuit employs two 120-ohm resistors in parallel. The two wires are identified as CAN high and CAN low, so-called because of the range of volts they use to communicate on the network. Part Number: 5M511 2A650 SA / 0 281 012 487. V8. See more 2008 Ford Focus Communication Control 8L2T14D2. red zone feelings B1342: ECU is defective (EEPROM in PCM is not working- replace PCM). This isnt a measurable result. Check the wiring from the battery to the fuse box and make sure that there is battery voltage present. with a 3.2L engine. I tested both can bus Resistance aprrox 60 oms can scope traces are ok when working. This tests the ECM Voltage supply as no power may be caused by a blown lighter fuse TEST 5: Connect positive DMM lead to either DLC bias terminals Connect negative DMM lead to the ground terminal With the ignition key ON and no bus activity, BUS + should read 0V BUS should read 5V A simple and a quick CAN Bus check can be done with an, Turn ignition OFF, and measure resistance between, Testing differential voltages will require a. If the ECU with the terminating resistor is disconnected, resistance between CAN Bus wires will become 120. Antonsd Check if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. December 2016. Necessary cookies are absolutely essential for the website to function properly. Please can you HELP?. No communication to ECU Common fault codes: P0194 - Fuel Pressure Sensor Intermittent P068A - ECM/PCM Power Relay De-Energised - Too Early U0100 - Lost Communication With PCM U0401 - Invalid Data From PCM P0606 - PCM Processor P060C - PCM Processor Performance P0194 - Rail Pressure Sensor Malfunction My question is this, do I need a special cable to program Instrument Cluster to a car if I get one second hand? No communication with ECU 7.3l Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. Well cover all these tests below, but before we do, well need the proper tools to make these tests. This category only includes cookies that ensures basic functionalities and security features of the website. . In a long-winded way, Im saying your vehicles OBD connector, also known as the DLC (Datalink connector), may be damaged from possibly years of OBD scanning and, dare I say it, Front probing.. jim messina lipstick, unforgettable who killed rachel, wanda davis obituary paul keith, lunker lane provo river, landican cemetery plan, michigan beekeeping grants, baggerley funeral home edmond, ok obituaries, us military base in paris france, student houses durham viaduct, forsyth virtual academy jobs, head of school search new york, schedulerlock is deprecated, candy apple red spray paint for metal, without a hitch origin, hangul to hanja translator. The official Ford website can be found at http://www.ford.co.uk/, Really Need Help Ford Focus Ecu Communication Problem. ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Tip. ECU #2 Ford Fiesta/Fusion (EU) 2002- IPC Fiesta/Fusion (EU) 2008- (UDS) IPC Transit 2006- (UDS) BCM Transit Connect 2007- IPC Mondeo/S-Max/Galaxy 2006- (UDS) BCM Focus/C-Max 2004-2010 IPC Focus/C-Max 2010- (UDS) BCM Explorer 2006- IPC F-150 2009- IPC Mazda 3 2003-2008 IPC . Wintermoon Nettle Spawn Rate, For a better experience, please enable JavaScript in your browser before proceeding. Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! Started 11 hours ago, By It could be a result of a software issue, for example. tat : Occasion : Objet ayant t utilis. Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. Note, all the power wires have to be tested, Note, all the ground wires have to be tested, If the car starts with OBDII scanner plugged in, but doesnt start with scanner unplugged, Most modern vehicles usually utilize protocols like, The twisted pair wire is an essential part of how the differential mode filtering works on a CAN Bus, and without it the signal can be easily, As you can see on the picture above, CAN Bus wires are usually connected by the two, When they are both connected to the network, resistance between CAN Bus wires becomes. I can help you Contact me PM Reply JustJames But the BCM may also share information about ABS activation. We found the can-bus was a lot more consistant on the scope. Car may workS ok for hours, but Intermittent CUT OUT -Engine MALFUNCTION message come back on, Ford filed a motion to dismiss the lawsuit and U.S. District Judge Lucy H. Koh agreed to do just that. The 2012 Ford Focus has 22 problems reported for engine won't turnover, won't start. Module located at-> under hand brake, center console. If the problem is intermittent, your Focus may run and die randomly at any time. From the research I did on this forum, it seems like a long list of things can affect the ABS from chaffed wires to the fuse not . viajeiro Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). Clean the battery terminals and other connections too: make sure each terminal lug has a healthy connection onto the cables; follow the black wires down and find the spot that the wire mounts onto the car frame. We also use third-party cookies that help us analyze and understand how you use this website. Before you start chasing the wiring issues. No Start | Shorted Vehicle Speed Sensor | 2002 Acura. The ECU aka PCM is powered by a fuse that also feeds the fuel bowl heater. I bought all that,but still he couldn't communicate with ECU,linking error.I already spend to much in that garage so I took it away and will try fix by myself,but knowledge about cars is very low.So I bought new Diagnostic scan tool to make sure that there is linking error.http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736This one had linking error. If your scan tool can access fault codes and the only one you retrieve from other modules is the U0131, try to access the PSCM module. gumption cider discontinued His ECM could not communicate because of low reference voltage. Started 1 hour ago, By Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Range Rover Velar 2022 Autowatch Ghost Fitted Louth, Citroen C4 Additive Eolys Removal Mablethorpe. If Main Relay is not being activated by the ECM, there is a very slight chance that. $64.95 . Started 11 hours ago, By Common failure of the Ford Explorer ABS pump will cause a persistent ABS light, along with stored fault codes for C1095 - Pump Motor Circuit Failure, 01276 - ABS Hydraulic Pump, and 01130 - ABS Operation Implausible Signal Common failure for the 2002 - 2008 Fiesta which will cause a loss of speedo and mileage display. By ford focus no communication with ecu. TomsFocus He offered to scrap my car,cos there should be some wiring problem and to find where,its will cost fortune to me. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The codes suggest a failed ECU, the brain reading all the engine sensors. Office hours between 9 AM-5 PM Monday Friday. rq. Could be partial power from your gauge sweep issue too, pumps get wonky at low volts. Like the other computers (known as modules) onboard your vehicle, the PCM communicates over a bus. More strikes are supposed to happen on June 1st. Noise from fuel tank may be telling you the pump is bad, they can be heard to spin up and still be bad, the difference is HOW they spin up, you listen for the subtle little difference that says it's not working like usual. Lots of communication codes within the vehicles ECU. Display as a link instead, Calling one failed without doing the proper test can be costly. B1600: Non-PATS key or damaged key. Email: hpdyno@aol.com. ford focus no communication with ecu. Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->. The contact owns a 2012 Ford Focus. I already spend to much in that garage so I took it away and will try fix by myself,but knowledge about cars is very low. Started 22 hours ago, By Garage charge 40 + per hour. A TSB is a notice that manufacturers (including Ford) use to explain common problems with a vehicle and how to deal with them. I susspect the issues is in the Instrument Cluster. I just had it for 6 months and now I have to scrap it? Vehicle ignition should be turned on (Pos II). Common fault codes are - P0607 & P2110. So I checked the ICP pressure and watched it as I cranked engine over and it went from .26v to 2.95v while cranking. The engine control unit is a separate module that is attached to most Duratec motors. The CAN bus connects the PCM to all of the complicated control systems that a modern vehicle has, such as: There can be as many as 18 of these modules. thomas england So I decide to do triple check and bought a bit better fault code reader. Your previous content has been restored. The instrument cluster needs programming regardless new or 2nd hand . Module located at-> under Battery Junction Box. Your link has been automatically embedded. Check all fuses that power up the TCM module on this . . i have the same problem on y 2007 ford focus, the car will crank but not start, it says engine systems fault, computer cannot read ecu, i have tried everything from testing the ecu, cluster, fuses, relays, reprogramming, coded keys, wiring but the car will not start, the diagnostic machine cannot read the computer on the car, no signal going thru, i was told to scrap the car or sell it as is, this will really really break my heart and shatter me into pieces, any ideas, Not sure where to look for this problem. Securilock Passive Anti Theft System Reset. Module located at-> under Battery Junction Box.Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Module located at-> under. Step 2 Wait for 20 minutes while the PCM bleeds off the electricity it stores for backup power. Lots of communication codes within the vehicles ECU. Most controllers are wired in series, with sub-controllers (Side streets off the main street); knowing which module is on main street and which is a side street is crucial to efficient resistance testing.
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