Freightliner code eng 1

2017 Freightliner cascadia is still regen for 5 hours now , I did the force regen because I have derted to 5 miles an hour and all engine lights are on and def light is blinking 2016 Freightliner Casc … read more

214 satisfied customers. I have a 2013 freightliner cascadia. When I turn the truck. I have a 2013 freightliner cascadia. When I turn the truck on ,the check light isn't on but the dashboard a code of eng 1 then goes to 545 25 .What does … read more. Wayne.One thought on " Freightliner Business Class M2 Fault Codes List - Automated-Manual Transmissions " Bernard njenga 24/11/2020. i have this codes that just popped up EUC128 5 1 d 254 no Abs. P1 d 105 This is on a 2005 freightliner kindly advice if safe to continue driving. thanks in advance.Mar 31, 2023 · The FMI, not listed here goes from 0 to 21 with some extras reserved for the SAE to add to this code list. Freightliner MID / Description. 128 Engine # 1 ENGINE ENG. 130 automatic transmission – † Trans. 136 Anti-lock Brake System (ABS) TRCTR BRK Brake. 140 Panel, Left INSTRCLST Instr. 142 Panel, Right # 1 INSTRCLST MGMTLearn how to clear codes and force regen’s with the DTC+AFT toolI have a 2006 freightliner century detroit 14.0 and have the following faults "eng rsrvc 128s216 14," "eng aux. in/out#1 calib 128 155 13," and engine protect code 55, 78, and 81 … read more Jeremy

Follow the diagnostic procedure below in order to Isolate this problem for low airflow. SPN 2631/FMI 1. This diagnosis is typically low air flow. Check as follows: 1. Inspect air filter and air inlet piping to turbocharger for blockage or leaks. [a] If blockage or leakage is found, repair as necessary. If no blockage or leakage is found, go to ...Start and bring engine up to operating temperature (over 140°F/60°C). Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313–592–5800.SOURCE: 2014 freightliner cascadia, dd13 showing an active code mil light Diag, says ecu 01 , what can that be. the code dd13 for a detroit series 60 refers to coolant level sensor ---input voltage low. should be in the radiator top tank and energizers when the coolant level in the cooling system falls below a set point in the radiator. contact ...I have a 2014 Freightliner Cascadia and I am getting codes ENG 2 001 SPN000164 what is this code. Cacadia 2014 dd15. I - Answered by a verified TechnicianBH-33 is a source address for the Bulkhead module on a Freightliner M2. Every computer that talks to other computers on the truck communicates on what is called the J1939 backbone or datalink. Every computer has it's own mailing address so to speak so that messages go to the right computer. "33" is the Bulkhead's address.

Feb 14, 2023 · 2013 freightliner reading code eng 2 001 spn002631 01, replaced delta p sensor, checked metal pipe for blockage. Answered in 17 minutes by: Technician: Joe Green. Joe Green, Trainer and Tech. Category: Medium and Heavy Trucks. Satisfied Customers: 567. Experience: ASE Master Certification In Automotive and Medium/Heavy Trucks and L2 Certification.The code 164 is indicating there is a problem with the injection actuation pressure system. This is the high pressure oil system that activates the injectors. This system uses pressures up to 3300 psi. Basically if the system is having trouble making the pressure, it will set a 164 code. It could be 164-2, 164-11, or 164-00.ENGINE HIGH 128s 155 00 ENGINE SHT LO 128S 320 04 WHAT DO THESE 2 FAULT CODES MEAN IN 2010 FREIGHTLINER CENTURY CLASS S/T 60 SERIES DETROIT ... 1. ENG High 128s155 00 2. ENG SA00 SPN003719 16 I think if i do a parked regeneration it would clear up the issue, ...2011 Freightliner Cascadia 125 with a DD13 Detroit engine on it. Persistent codes, need some help. Here they are:Cab33 spn 522116 fail 2 Eng 1 spn 108 fail 3 Eec 61 spn 108 fail 13And heres the VIN ju … read more

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2012 freightliner m2 fault 1 eng 0 3216 fail 20 major issue or not Discussion in 'Freightliner Forum' started by CCMC, Nov 13, 2020. Nov 13, 2020 #1. CCMC Bobtail Member. 3 0. Nov 13, 2020 ...To learn an entirely computer-based skill, why do you still have to attend a bootcamp in person? Silicon Valley will tell you that the future belongs to those who can code. Tales a...1 01 08-15. SUBJECT DATE SPN 1323 through 1328 (MCM) (GHG14) January 2015. Additions, Revisions, or Updates. Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 GHG14 DD Platform SPN 1323/FMI 31 - GHG14 The diagnostic procedures have been revised to include more in depth inspection. SPN 1324/FMI 31 - GHG14 SPN 1325/FMI 31 ...2011 cascadia freightliner code ECU-1 - Cars & Trucks. Posted by Ivan on Jan 15, 2016. Want Answer 1. Clicking ... Igot a code Eng - # 1 5323 spin fail 13 on my 2014 Freightliner Cascade DD15 will not start up Read full answer. Jan 22, 2012 • …When I turn key 5_4.3, Eng 0, Eng 1, EEC 6 1, diag 5, ot alrt, This is what driver sent. Technician: Daniel Wilson. Hi, Again, those are not fault codes. Have the driver scroll to the subsequent screens for the full fault information or have a technician scan the truck for the fault code information. Ask Your Own Medium and Heavy Trucks Question.

clamp group. Watch the arm for 1/2-inch clearance of all components. 4.8 If any lines are closer than 1/2 inch to the arm at the ends of its travel, remove the zip ties and ad-just the lines to give the arm clearance. If a component—such as the 5th wheel—is closer than 1/2 inch to the arm at the ends of its travel,Howzit I have a fault code on new freightliner its ENG LOW 128s382 01 an INSTR FUEL LEVEL 140 096 05 CAN YOU HELP ME OUT - Answered by a verified Technician. ... 2010 Freightliner cascadia (DD15) codes. Shown check Yellow ENG light.1) ENG RSRVC 128S155 142) ENG Low 128S382 01 3) ...ENG 1 SPN 96 FAIL 2. ENG 1 SPN 84 FAIL 3. Code is for a fog - Answered by a verified Technician. ... codes my 2012 freightliner cascadia is giving me fault 1 cab 33 spn 522108 fail 05 fault 2 chs 71 spn 520919 fail 05 fault 03 eec 61 spn 4364 fail 18 fault 04 eec 61 spn 3364 fail 02 fault 05 sys 58 s ...Eng 0 means that there is a loss of datalink communication with the engine ECM. With the ignition switch in the on position, use a voltage tester to probe the top to middle tabs of each fuse, replacing any fuse with power only on one side. Swap your relays one at a time with a known good one for testing purposes.The official SPN fault code list starts at 100001 and FMI 0. That means it does not go below 100 when you get to the 3-digit code section. What the code SPN 91 FMI 8 means, in spite of the exclusion of the best fault code list, is that the throttle position signal is abnormal. This is not a good code as your engine may be limited to just a low ...But now this one displays. BH is a bulkhead module code, push the button that scrolls to your trip odometer until the led reads diag then push and hold that button and it should read fault and how many faults. Push button again to read codes should read bh33 , {push again] will give a two digit code, push again will give another two digit code.Have a 2011 Freightliner with Detroit Eng ..codes ECC 61, CHS 71, CAB 33 ... Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago but def gauge is blinking red like it's empty ...293 posts · Joined 2009. #7 · Dec 2, 2015. Check the PDM connections on the DS inner fender for corrosion. Especially the Green one . Also check the powetrain PDM down lower on the firewall for corrosion of connections and relays. More info would be needed, year, etc for better 500 foot diagnosis.

If terminals and connectors are not damaged, install a test ECM/ECU. Check for code s 21/0. If there are no codes, refer to "44.2.8.1 Verify Repairs". If code s 21/0 appears, refer to "44.2.8 Check Injector Drive Harness for Short" and check the injector harness. Section 44.2.8 Check Injector Drive Harness for Short. Check the injector drive ...

SPN 101 FMI 16. As you can see, this is an issue of pressure. The significance of this code is that you may have an internal engine problem that created a blow-by situation. The crankcase pressure sensor is responsible for setting this code and its location is near the crankcase breather filter. The sources for this code are: plugged or ...DD13 Code Book 2013 - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Detailed code descriptions for Detroit Diesel (DD13) engines. Helpful when troubleshooting electrical faults.128 Engine №1 – ENGINE – ENG. 130 Automatic transmission – Trans. 136 Anti-lock Braking System (ABS) – TRCTR – BRK Brake. 140 Panel, Left – INSTRCLST – Instr. ... MID 128 Engine Subsystem Codes 1 – 32 Freightliner fault codes. 1 Injector Cylinder № 1 CYL № 1 INJECTR Cyl № 1 Injectr.Jul 7, 2015. Canuckistan. 0. Fault codes are more or less standardized nowadays. You can pretty much Google the fault code and get a basic description. AModelCat, Dec 5, 2020. #3. d o g and D.Tibbitt Thank this. Dec 7, 2020 #4.Follow these steps to check for codes: 1. Unplug coding sensor. 2. Insert jumper wire between #1 and #2 of the sensor connector. 3. Start and run engine for six minutes. [a] If code 351/3 displays, refer to section 51.2.2 "Check for Open". If code 351/4 displays, go to step 4.This code may be accompanied by 2 other codes, spn 4342 - fmi 5 and spn 5246 - fmi 0 which puts the vehicle into a derate situation. This specific code means: "Aftertreatment Diesel Exhaust Fluid Tank Temperature - Data Valid But Below Normal Operating Range - Moderately Severe Level. The diesel exhaust fluid tank temperature is unable to ...Ecu 1 fault means the engine EMC has a internal fault and needs to be replaced. Most of the time with this code It's not the ecm itself it's usually a wiring problem going to ECM. Their should be two fuses for ECM either next to ECM in plastic covers or by starter or in battery box. So you need to check all your wiring going to and from engine ...In the dash board it is showing 1 fault code of a TSU Controller NoResp 2 ... Century: freightliner..isx..active faults 1: eng Fuel Shut off No resp. Hello, I have Freightliner Century 2003 ISX 450. Computer shows that my truck has active faults 1: ENG Fuel Shut off No Resp 128s017 07. Can you say what is a problem with my truck.

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2011 freightliner cascadia has a eng 1 fault code that come on intermittently and the engine has a loss of power when this happens can anyone tell me what is causing this? Tower411, Oct 22, 2012. Tower411, Oct 22, 2012 #1. Trucking Jobs in 30 seconds.The FMI, not listed here goes from 0 to 21 with some extras reserved for the SAE to add to this code list. Freightliner MID / Description. 128 Engine # 1 ENGINE ENG. 130 automatic transmission – † Trans. …Fig. 1.1, Vehicle Specification Label 09/28/98 f080023 Fig. 1.2, Incomplete Vehicle Certification Label, U.S. 11/21/96 f080053 1 2 3 1. Date of Manufacture: by month and year 2. Gross Vehicle Weight Rating: developed by taking the sum of all the vehicle's gross axle ratings 3. Gross Axle Weight Ratings: developed by13. May 19, 2012. cambridge,on. 0. So I was replacing the coolant on my truck when CEL and Stop Engine light came on with fault code ECU 01 and Spn 111 and Fail 19 which most of you probably know if for low coolant level or bad coolant sensor.Engine Fault codes (MID, PID, SID, FMI) FREIGHTLINER. Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 Anti-lock Brake System (ABS) TRCTR BRK Brake 140 Panel, Left INSTRCLST Instr 142 Panel, Right # 1 INSTRCLST MGMT 172 Diagnostic System ...SPN 3216/FMI 2. Description. This fault code sets when difference between the expected NOx ppm and the actual NOx ppm is greater than 200 ppm. Monitored Parameter. Aftertreatment Inlet NOx Sensor. Typical Enabling Conditions (Common Subset for all Engines) General Enabling Condition: Engine is not in regeneration and operating at high speed and ...1 answer. spn 1569 relates engine protection torque derate -condition exists. critical fault codes related to engine operation are active. code 1 means urgent attention. A sort of limp mode setting that requires immediate attention by a cummins service center to prevent further damage to the engine. go google and type in--- cummins engines ...SPN 1323/FMI 31. Description. This Fault Code Sets when the Motor Control Module (MCM) Detects That Cylinder #1 Has Low rpm Speed with the Injector Commanded to Max Fueling for a count of two with all conditions met. Monitored Parameter. Engine rpm. Typical Enabling Conditions. Engine Speed Steady between 600 to 950 rpm. Engine Coolant ... ….

With the growing popularity of cricket, fans around the world eagerly await live updates of their favorite matches. One such highly anticipated match is the clash between Pakistan ...Blog.Teknisi Tuesday, December 22, 2015 Fault Codes CUMMINS ISB ISC ISL ISBe ISDe and QSB3.3 CM2150. SPN101 FMI0 (Crankcase Pressure - Data Valid but Above Normal Operational Range - Most Severe Level) Fault Code: 556. ISB, ISC, ISL and QSB3.3 CM2150 - Crankcase Pressure Sensor Circuit. CODES:There is a flash update that needs to be done on them already to resolve that code. We've had nearly every 2015 that has gone out come back and needing the flash update. There is some sort of glitch in the software causing that code. …I have a 2013 freightliner with a Sfu 49 SPN 523531 Fail 31 code. 2013 Freightliner Cascadia 125 DD15 14.8L 455 hp. Im - Answered by a verified Technician. ... we are having an eng 1 fault code on our 2013 freightliner both check engine lights are on one red one blinking and the amber one, not sure what the deal is. ...2007 freightliner 515 hp 60S gave a check eng. Light with fault code calib 128 411 13. ... my truck is 99 fr century class the check eng light comes on not all the time i look in the codes in the truck under eng diognose had active fault 1 eng feul temp short hi 128 174 03 the eng runs ok. ...SPN 508672 fail 31 Freightliner M2 JA: Im sorry to hear that youre experiencing an issue with your Freightliner M2, but our truck Mechanic will be able to help you with the SPN 508672 fail 31 code. ... Cummins engine ISL, serial 73524785, M2 FLT in derate mode, both engine lights and stop light on. 2 codes, eng 0 1569 spn fail 31 and eng 0 5246 ...Engine Fault codes (MID, PID, SID, FMI) FREIGHTLINER. Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 …BH 33 signifies that your body controller AKA bulkhead module has an issue. It points out that a fault code was logged - if you scroll to the next screen, you can see the actual fault code. Likewise, the ENG 0 code is an engine code. Problem is, there are over 2,000 of them. You need to check the diagnostic section to know more about the code ...2014 Freightliner with code eng 1 spn 51 fail 4 Discussion in 'Freightliner Forum' started by OBD, Sep 4, 2018. Sep 4, 2018 #1. OBD Bobtail Member. 1 0. Aug 19, 2018 0. i have a 2014 Freightliner with code eng 1 spn 51 fail 4. I just had it in the shop 4 days ago and they replaced the throttle intake valve. Please help I'm low on funds and ...Engine Fault codes (MID, PID, SID, FMI) FREIGHTLINER. Component Codes (MID) MID / Description / Old Text Message / New Text Message * 128 Engine # 1 ENGINE ENG 130 automatic transmission – † Trans 136 Anti-lock Brake System (ABS) TRCTR BRK Brake 140 Panel, Left INSTRCLST Instr 142 Panel, Right # 1 INSTRCLST MGMT 172 Diagnostic System ... Freightliner code eng 1, SPN 2631/FMI 1. Description. This Fault Code Sets When the Engine is in Smoke Mode Control for an Excess Amount of Time Due to Inadequate Clean Airflow into the Engine. Monitored Parameter. Smoke Mode Operation. Typical Enabling Conditions. General Enabling Condition: Engine is in Smoke Mode. Specific Enabling Conditions: See Table Below., 2010 freightliner cascadia code is eng rsrvc 128s155 14 and eng fuel inj pump 14 sa00 spn001077. Show More. Show Less. Ask Your Own Medium and Heavy Trucks Question. Share this conversation. Answered in 1 hour by: 2/21/2015., In This Video I Will Be Showing You How You Can Pull Your Fault Codes Right From Your Dashboard On A 2017 Freightliner CascadiaWelcome Back Level Up Family! ..., Freightliner Codes. Trouble Code. Fault Location. Probable Cause. P1000 - P1099 (Fuel and air metering and auxiliary emission control) P1000. Ignition coil, 5 -primary circuit range/performance. Wiring, connectors, ignition coil 5, ECM. P1001., Q: What does eng low 128s277 01 code mean on 2011 freightliner argosy mean? Answers is the place to go to get the answers you need and to ask the questions you want., Aug 19, 2018 · 2014 Freightliner with code eng 1 spn 51 fail 4 Discussion in 'Freightliner Forum' started by OBD, Sep 4, 2018. Sep 4, 2018 #1. OBD Bobtail Member. 1 0. Aug 19, 2018 ..., Hi there.i can help you with this..turn your key on,engine off hit the mode button till you get to the fault screen,hold the button down know for 5 seconds,the dash will beep and keep pushing the mode button,and more numbers will show,like 140sid93fmi3,let me know. FIX-IT, Technician., I have a Freightliner M2 2011 with Cummins engine. I am receiving 4 diag codes. -Fault 1 no tran Spn 63 9 Fail 7 -Fault 2 bH 33 Spn 200 3 Fail 19 -Fault 3 Eng 0 Spn 19 1 Fail 9 -Fault 4 Eng 0 Spn 84 F … read more, One of the keys to maintaining a successful website is continuous tracking and analysis of its performance metrics. Web analytics programs such as Google Analytics provide numerous..., 4. Does the fault code go inactive when a component is disconnected? a. Yes; Go to step 5. b. No; Go to step 6. 5. For the component in question, inspect the harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. Are any signs of ..., If terminals and connectors are not damaged, install a test ECM/ECU. Check for code s 21/0. If there are no codes, refer to "44.2.8.1 Verify Repairs". If code s 21/0 appears, refer to "44.2.8 Check Injector Drive Harness for Short" and check the injector harness. Section 44.2.8 Check Injector Drive Harness for Short. Check the injector drive ..., 2015 freightliner cascadia has a no eng in the dash and the truck will kick the starter but not fully turn the engine - Answered by a verified Technician ... Eng 0 code on 2011 freightliner cascadia DD15, fan clutch isn't working and sometimes it does, when the truck is running the engine temperature is fine, ..., Table 1. Table 2. This fault code sets when the Integrated Predictive Powertrain Control (IPPC) module detects that the voltage on pin 1 is too high. All information subject to change without notice. Connect DiagnosticLink ®. Turn the ignition ON (key ON, engine OFF). Check for the high voltage code in other modules. Is code SPN 168/FMI 0 ..., Have a 2011 Freightliner with Detroit Eng ..codes ECC 61, CHS 71, ... codes my 2012 freightliner cascadia is giving me fault 1 cab 33 spn 522108 fail 05 fault 2 chs 71 spn 520919 fail 05 fault 03 eec 61 spn 4364 fail 18 fault 04 eec 61 spn 3364 fail 02 fault 05 sys 58 s ..., Section 57.3SPN 647/FMI 5. This fault code indicates that there is an open circuit.‪. Section 57.3.1. Open Circuit Check. Check as follows:‪. Check for multiple codes. If SPN 1071/5, SPN 1672/5, and SPN 647/5 are active, repair the open in between pin 91 of the 120-pin MCM connector and the fan and the Jake Brake solenoids., SPN 101 FMI 16. As you can see, this is an issue of pressure. The significance of this code is that you may have an internal engine problem that created a blow-by situation. The crankcase pressure sensor is responsible for setting this code and its location is near the crankcase breather filter. The sources for this code are: plugged or ..., #1 DIAGNOSTIC: Does the DEF line have an arch in it? Please reference pictures below. Yes. Check the Doser for crystallization. No. Add an arch to the hose based on the example pictures below and retest for fault. Arch Examples Item 1: No Arch Item 2: With Arch Item #1 IK0700099 -DEF Dosing Valve -Mechanical system not responding Page 2 of 4, Inactive fault codes 3364 fmi 2, 4364 fmi1, 4364 fmi 18, 3216 fmi 16 … read more. Daniel Wilson. Associate Degree. 7,258 satisfied customers. Have 2 codes 3223 fmi 7, 3216 fmi 21. When setting 1 check. When setting 1 check light goes out the other stays on nothing else just came up yet just wanted to make sure red engine light don't come on ..., Don't forget to Like and Subscribe! - https://goo.gl/XtV9CJCheck out our Merch! - https://thedieseler.myteespring.co/A quick look at how to make the dash in ..., Need a interview video production company in Pakistan? Read reviews & compare projects by leading interview and testimonial production companies. Find a company today! Development ..., Eng 1 displaying on the dash indicates there is a fault that is being reported by the engine module on the truck. It doesn't specify what the issue may be. There should be more information displayed on the dash if the fault can display on the dash, although not all faults will be able to be displayed through the dash and may require a scan tool ..., 2015 Freightliner casscadia spn 639 fault 7 (NO ENG) Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Mad dog logistics llc , Oct 5, 2023 . Oct 5, 2023 #1, BH 33 signifies that your body controller AKA bulkhead module has an issue. It points out that a fault code was logged - if you scroll to the next screen, you can see the actual fault code. Likewise, the ENG 0 code is an engine code. Problem is, there are over 2,000 of them. You need to check the diagnostic section to know more about the code ..., Just dropped off at freightliner for these very same codes, they said it needed and awaining kit. Picked it up, 100 miles drive and the same SPN 3226 FAIL 20 popped right back up. bunniecarrots, May 30, 2019. bunniecarrots, May 30, 2019 #9. May 30, 2019 #10. mhyn Road Train Member. 4,255 4,503., Hi there.i can help you with this..turn your key on,engine off hit the mode button till you get to the fault screen,hold the button down know for 5 seconds,the dash will beep and keep pushing the mode button,and more numbers will show,like 140sid93fmi3,let me know. FIX-IT, Technician., Well my truck still wont start .I found 2 bad wires by the batt box for the ecm .I repaired those changed both filter and water seperator this had about a half inch of ice so any way now the lights on the dash are coming on ck eng and shutdown . but while its cranking over fault codes come on the display .[ not every time I try to start it ] I can check these while its rolling over .but this ..., I have an ECU 128 code on a 2005 Freightliner Truck with a Detroit Diesel Series 60 engine. It only runs and drives with - Answered by a verified Technician. By chatting and providing personal info, ... The dash display has red check engine with no eng shown on display panel., Ok For All Experts) Hi Mike, My 08 freightliner m2 106 is not turning on. And the dash has this codes. Bh 164 Sid 017 fail 02 Abs 136 Sid 231 fail 09 No Eng Sid 254 fail 07 0 volt show up on my dash. ... have a 2009 freighliner business class m2 with no EnG code on dash. ive checked all fuses and all seem to be good. ..., 2011 freightliner with dd15 gives me the eng 1 code with a loss of power while its on - Cars & Trucks question. Search Fixya. Browse Categories Answer Questions ... SOURCE: 2011 freightliner Cascadia with DD15. Fault code. BEFORE CONTECT ME DONT WORRY ABOUT IT 03452663007. Posted on Mar 26, 2011., Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago - Answered by a verified Technician. ... Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago but def gauge is blinking red like it's empty., The Meaning of Eng 1 Code. The Eng 1 code in your Freightliner 2015 truck is an engine-related diagnostic trouble code (DTC) that indicates a problem within your engine system. It serves as an early warning system, alerting you to potential issues that could affect the performance and longevity of your vehicle. Potential Causes of Eng 1 Code, What does code: TxId: 3 SPN: 2003 - Source Address 3 FMI: 31 Count: 127 man? This is for a 2015 Freightliner M2. This code is generated by the ECM, and the fault in question is labeled as 2003, which is located in the TCM. In simple terms, the connection link between the ECM and TCM has been lost and the harness between them is damaged., Ecu 1 fault means the engine EMC has a internal fault and needs to be replaced. Most of the time with this code It's not the ecm itself it's usually a wiring problem going to ECM. Their should be two fuses for ECM either next to ECM in plastic covers or by starter or in battery box. So you need to check all your wiring going to and from engine ...