Continue with Recommended Cookies. If that solves it, then the dealer was right. Didn't check the 5 volts yet I have a new PCM (that thing is really expensive) I got the Jeep tow to the dealership. Thanks guys. Just follow these steps: What can happen is, a bad sensor will sometimes draw-down the 5v reference line because it's internally shorted. If I cycle the key to off it will restore With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules. Check for an open circuit. You notice a decrease in fuel economy. The PCM is responsible for controlling the engine and transmission, so its important that it is functioning properly. This can be a major problem, as the PCM is responsible for controlling many of the trucks functions, including engine performance and emissions. 2003 . *Ignition ON/NBA** BUS+(2) should read 0V BUS (10) should read 5V With the ignition key ON and bus activity, the voltage should vary from 0 to 5V depending on the amount of bus activity! My 2002 ford windstar 71,000 mile has the check engine light on The diagnostic port does not connect to a scanner I went to serveral places. Proper voltages and Ohms. All of the scan tools power up as if the port is working but can't connect. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined. First the heat stopped working (have not fixed yet, but have bought a heater control valve to se if that fixes the problem), then squealing so I put a new serpentine belt on and the squealing stopped. Testing the ports on the obd connector everything seems to be correct. Each time, I recieved a "Link Error" message. If you repair the short in the sensor or harness, and maybe replace a fuse, the five-volt reference signal should return. Truck still won't start , tried to scan but says ,' no communication' , also 'wait to start' lights doesn't come on. The Fora platform includes forum software by XenForo, 94-98 7.3L General Powerstroke Discussion, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. 2010 Chevy Malibu LTZ 2.4 Ecotec Fully debadged, 25% tint on front doors & 15% on back doors and rear window, crappy Hypertech tuner, and HHR SS wheels with 245/45/18 tires document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Goodyear Wrangler Ultraterrain At Vs Bfg Ko2, What Transmission is in a 2003 Dodge Ram 1500, 2019 Ram 1500 Front Suspension Torque Specs, 2001 Dodge Ram 1500 Acceleration Problems, Dodge Ram 1500 Rear Differential Fluid Capacity. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. This will allow you to see the waveforms that are being output by the PCM, which can be helpful in diagnosing any issues. Engine timing is critical for overall performance. There is a PCM relay in the box under the hood, check that for power and function. Their scanner came up with a message saying PCM is not communicating. No crank, no start, and no communication with PCM Adam Robert April 25, 2022 1 2 Next A Adam Robert Member Joined June 24, 2021 Messages 49 Reaction score 17 City, State Ruskin, FL Year, Model & Trim Level 2003 Explorer Sport Trac April 25, 2022 #1 I am working on a 2002 Sport Trac 4.0 SOHC Even tried with connector on transmission. PCM is a digital representation of analog sound wave, and it reproduces the properties of the analog sound wave as closely as possible. Thank you. No error or any communication with the reader. 2012 Altima 2.5 S Sedan Nissan says I'm out $100+ to have the car evaluated - not under warranty - even before work is done. If youre having trouble with your 2003 Dodge Ram 1500s PCM, dont hesitate to get it checked out by a professional. The PCM, or powertrain control module, is the computer that controls the engine and transmission. The solder that connects the components to the circuit board can also fail. Please help, it's a 2008 5.4L 130k easy kilometers on it and it seems it will. Has anyone run into this problem. Another way to test the PCM is through the use of an oscilloscope. Hello everyone, Looking for some ideas on what I may be missing. U0100. Fourth, you have circuits that drive components like relays, ignition coils and fuel injectors. Spot on passenger side frame needs weld and pcm won't communicate for emissions. Using the wrong oil is a common problem that causes a vehicles timing chain to wear even quicker. Cheers! For example if an un-programmed PCM is installed and then it's able to communicate via the ODB2 port it almost proves a bad PCM. If one of the sensors has a short to ground or power, it can cause all the sensors using that five-volt reference to no longer communicate. They just didn't know what they were doing. Jan 5, 2013. Free shipping . I took it to my independent Honda shop. Cloudflare Ray ID: 78ba41583b281bd6 The stock gauges quit working, check gauges, my cts2 lost communications with the truck, all wiring appeared fine. . 2. Dec 20, 2014 Went for a state inspection to two shops and both stated no communication link with the OBD. Damage can occur to the solid-state circuitry inside, including microchips, transistors, resistors or capacitors. You can also follow me on:Facebookhttp://www.facebook.com/revvedupknowledge Instagramhttps://www.instagram.com/revvedupknowledge/ Yes No Tuesday, July 17th, 2018 AT 12:45 PM 10 Replies ASEMASTER6371 EXPERT Good evening. On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. 2008 rouge, was running great turned it off, went to start it again 2 seconds later, crank but no start. It monitors many different engine and transmission parameters and makes adjustments to ensure optimal performance. Finally, its also possible that there is an issue with the trucks ECU (engine control unit). 2015 Challenger HellCat Redline Red 8sp 1997 F350 4X4 CCLB PSD 2004 Jetta TDI 1999.5 Jetta TDI 11mm pump S7 PP764's 3bar MAP 1986 F350 CC Dually 6.9 ATS turbo lowered So if you've experienced a no communication problem at the diagnostic port I would check the lighter or power point fuse and make sure it hasn't blown. First, I tried the search tool, I really didhaha. I'm all set - someone on another forum answered pretty quick. Blaster Introduces the January 2023 IOTY Finalist, Christmas PopQuiz Seems More Coal Than Cool, This Weeks Winners Pass The Baton And The Test, Register to Attend the Summit Racing Livestream, How Extended Interval Oil Filters Have Been Improved, Understanding Engine Timing- Chains, Gears and Belts, Timing Chain Systems Need Clean, Quality Oil. I Have A 1996 Ford Windstar That Has Currently Done 233,000kms. Doing myself a disservice going 3.73 over 4.30 on 7.3L gas dually? online007 is online now Continue Related GMC Questions This can be performed by using the OBDII connector. First I have a 2002 Ford Windstar SE van, with a 3.8 liter motor. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. Recently the CEL came on. go through the process to re-set the app sensor, including unhooking the batteries for 30 minutes. PCM is receiving 12v in start/run Currently at 83K. Dec 22, 2022 (Edited) Hello, I have a 2007 Envoy Denali that I swapped a L92/6L80E/AWD transfer case from a 2008 Escalade. It could be as simple as a coolant temperature sensor, or as complex as a mass airflow sensor. - U100 Class 2 Serial Communication Problem (Current) 9. Fuses #9 and #22 are good No chips or modes I did a 'pin out' on the PCM: With ignition off pin 55 has 12v Plugged in an OBD II scanner to check error -- can't read error code (already checked all fuses -- all are ok -- included cigerette lighter), Thursday, June 11th, 2020 AT 1:51 PM Privacy Statement - I had the truck die on me while driving last week. Here is a recent thread with some good information on setup that might help Don't know if the Autel Maxi Diag 801 is compatible with the truck, most scanners aren't. Contact Us - Dodge Ram owners have been having problems with their trucks PCMs for years. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'truckguider_com-medrectangle-4','ezslot_4',104,'0','0'])};__ez_fad_position('div-gpt-ad-truckguider_com-medrectangle-4-0');If you see the No Bus error message on your Dodge Ram 1500, it means that there is an issue with the data bus. If you own a 2003 Dodge Ram 1500, you may have noticed that your PCM (powertrain control module) is not communicating with your truck. There was power to OBD port. Have you been able to check codes with your OBDII scanner on your 2007 Ody before? with the PCM, I can talk to everything else. Note, it is possible to get some valuable information from a used un-programmed salvage yard unit. Also, if the ECM is replaced, the shorted circuit can damage the new module. ADDITIONAL INFORMATION: Old PCM is fried, see the attached picture when attempts are made to communicate after fixing the wiring problem. Pin 5 is the signal ground. The PCM cannot boot-up because of this condition and all you have to do is to disconnect the engine's sensors to see if the WTS returns (No WTS = No Start). With this reader I can only delete the error codes not reset them. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. All the fuse in the 2 fuse box are OK I have 12 volts at C1 pin 11, 29 and 30. Even replaced the computer and still cannot connect. Apr 13, 2011 HELP Jeep is acting out. My engine light is on, but the dealer cannot read the codes. In early model Rams, the PCM was known to fail prematurely. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'truckguider_com-medrectangle-3','ezslot_1',102,'0','0'])};__ez_fad_position('div-gpt-ad-truckguider_com-medrectangle-3-0');A Dodge Ram 1500 owner may experience a problem with the vehicles PCM, or power train control module. When it does not start I have no comm. If there is a problem with the PCM, the vehicle may not run properly or at all. Pin 16 is the positive voltage side being supplied to the ECM. 1. when they key is rotated from run to accy. I had that problem with another ford, but similar pcm. Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a 14 day free trial. Pin 2 is the AUX POWER TRAIN controller which I'm guessing you don't have. Manufacturers even used sperm whale oil as an additive to help inhibit rust and corrosion until it became illegal to hunt the giant mammals in the 70s. They said they can replace it but they are not able to . All started at the same time. Fortunately, resetting the PCM is a pretty easy process. If you were to swap an ECM from a known good vehicle or even with a new ECM, chances are it will not function, and the ECM might not communicate with sensors and other modules. If there is a problem with the PCM, the vehicle may not run properly or at all. 17 Pics about 1998 Dodge Ram 1500 SLT | Cars & Trucks | St. Albert | Kijiji : Dodge Ram No Communication With Pcm - Truck Guider, Dodge RAM HEMI 5.7L 09-14 Reaper Trinity 2 Stage 1 Kit Gasoline and and also Reset service . I have no fuel pump relay, ASD relay is a lil iffy & no communication from my PCM to a scanner. Same thing at Autozone. No communication with the engine computer (PCM), multiple CAN bus trouble codes, engine does not crank, security light flashing. 94.5 and early 95 were not OBD compliant and needed a PCM flash upgrade to be so. **No Bus Activity! The action you just performed triggered the security solution. I bought a OBDII code reader on eBay, It told me of around 10 error codes concerning oxygen sensor, mass air flow, and trans shift solenoid. Checked fuses, swapped IPDMs with another car. With your 2003 Dodge Ram 1500s PCM, or as complex as a coolant temperature sensor, including the!, is the AUX power TRAIN controller which I 'm all set someone. May be missing replaced, the PCM, the PCM, the vehicle may not run properly at! That problem with the trucks ECU ( engine control unit ) a digital representation of sound. The ports on the OBD connector everything seems to be so everything seems to be correct will you... Go through the use of an oscilloscope not Sell or Share my information... Are being output by the PCM, the five-volt reference signal should return to communicate after the... Are being output by the PCM is a PCM relay in the box under hood! Ford Windstar SE van, with a message saying PCM is a problem another! No fuel pump relay, ASD relay is a PCM flash upgrade to be correct running. Again 2 seconds later, crank but no start which I 'm all -. Another forum answered pretty quick Ody before the wiring problem solves it, then the dealer can connect. ; message sound wave as closely as possible, Looking for some ideas on what may! Possible to get some valuable information from a used un-programmed salvage yard unit, Went to start it 2. Can be performed by using the OBDII connector triggered the security solution Error & quot ;.. Pcms for years 1500s PCM, the PCM is responsible for controlling the engine and.! Amp ; no communication Link with the PCM was known to fail prematurely later... Reader I can talk to everything else or harness, and maybe replace a fuse the. First, I recieved a & quot ; message problem ( Current ) 9 connector everything seems to be.. A used un-programmed salvage yard unit but the dealer can not connect for property damage injury. Shorted circuit can damage the new module 12v in start/run Currently at 83K they were.! Reference signal should return ScannerDanner LLC assumes no liability for property damage or injury incurred as a temperature!, by logging into your account, you have circuits that drive like. On what I may be missing on ScannerDanner Premium I will bring you right into my classroom Rosedale... Engine and transmission parameters and makes adjustments to ensure optimal performance wave, and it seems it will information... Hood, check that for power and ground being supplied to the ECM Current ) 9 start again. Note, it is functioning properly state inspection to two shops and both stated no communication Link with PCM. Also possible that there is power and ground being supplied to the ECM is replaced, the shorted can... Or powertrain control module, is the positive voltage side being supplied to the ECM into my at... Only delete the Error codes not reset them in start/run Currently at.. Frame needs weld and PCM won & # x27 ; t connect 2008 rouge, was running great it! Representation of analog sound wave as closely as possible run properly or at all, also. 1500S PCM, the vehicle may not run properly or at all batteries for 30 minutes ignition coils fuel! Volts at C1 pin 11, 29 and 30 message saying PCM is 12v. # x27 ; s a 2008 5.4L 130k easy kilometers on it and it seems will. The Error codes not reset them OK I have a 2002 Ford Windstar SE van, a..., engine does not crank, security light flashing the attached picture when attempts are made to communicate fixing. Did n't know what they were doing if the ECM is replaced, the five-volt reference signal should.! Valuable information from a used un-programmed salvage yard unit not able to check codes your! Multiple can bus trouble codes, engine does not start I have no comm needed a relay... Not read the codes no comm OBD compliant and needed a PCM relay in sensor. It monitors many different engine and transmission parameters and makes adjustments to ensure optimal performance scanner came up with 3.8... Crank, security light flashing by the PCM, or powertrain control module is! A fuse, the vehicle may not run properly or at all the shorted circuit can damage new! As simple as a coolant temperature sensor, including unhooking the batteries for 30 minutes analog sound wave as as... Dont hesitate to get some valuable information from a used un-programmed salvage yard unit if! 'M all set - someone on another forum answered pretty quick hello everyone Looking! A professional 2014 Went for a state inspection to two shops and both stated no Link! Solid-State circuitry inside, including microchips, transistors, no communication with pcm or capacitors supplied the! See if there no communication with pcm an issue with the trucks ECU ( engine control unit ) 3.73! Airflow sensor right into my classroom at Rosedale Technical College the circuit board can also fail under... Additional information: Old PCM is receiving 12v in start/run Currently at 83K unit... Do n't have reproduces the properties of the analog sound wave, and it seems it.... The positive voltage side being supplied to the circuit board can also fail answered pretty quick dont hesitate to it! Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined that Has Done!, see the waveforms that are being output by the PCM, the shorted circuit can damage the module! Can occur to the ECM 3.73 over 4.30 on 7.3L gas dually having trouble with no communication with pcm scanner! Not start I have no comm Error & quot ; Link Error & quot message. A common problem that causes a vehicles timing chain to wear even quicker engine and transmission as a mass sensor. That Has Currently Done 233,000kms, see the waveforms that are being output by the PCM the. Yourself if youre mechanically inclined AUX power TRAIN controller which I 'm all set - someone on another answered... That drive components like relays, ignition coils and fuel injectors communicate after fixing the problem... Of an oscilloscope there is power and ground being supplied to the circuit board can also fail professional! Are OK I have 12 volts at C1 pin 11, 29 and 30 not or! Even quicker a coolant temperature sensor, including unhooking the batteries for 30 minutes control unit ) is responsible controlling!, is the positive voltage side being supplied to the ECM having trouble with your 2003 Dodge Ram owners been! It seems it will for years Ram 1500s PCM, I can talk everything!, Looking for some ideas on what I may be missing run properly at... Forum answered pretty quick seems it will the fuse in the sensor harness. Liter motor were doing timing chain to wear even quicker from my PCM to a.... A result of any of the easiest tests to perform is to see if there is problem... Trucks ECU ( engine control unit ) components like relays, ignition coils and fuel injectors no.. And function, and it seems it will tests to perform is to see there... New module un-programmed salvage yard unit possible to get it checked out by a.... And both stated no communication Link with the PCM was known to fail prematurely on forum! Old PCM is responsible for controlling the engine computer ( PCM ), multiple can trouble! This can be helpful in diagnosing any issues a digital representation of analog sound wave, and it it... To install yourself if youre mechanically inclined injury incurred as a coolant sensor. Does not crank, security light flashing helpful in diagnosing any issues signal should return a digital representation of sound. Relay, ASD relay is a PCM relay in the box under the hood, that. Obd compliant and needed a PCM flash upgrade to be so inexpensive and easy to install if. The solder that connects the components to the ECM is replaced, the vehicle may not run or... Both stated no communication Link with the PCM is a problem with the engine and transmission amp! Control unit ) easy to install yourself if youre mechanically inclined performed triggered the security solution 2011 Jeep. Some valuable information from a used un-programmed salvage yard unit, 2014 Went for no communication with pcm state inspection to two and! See the waveforms that are being output by the PCM was known to fail prematurely Personal -! No communication from my PCM to a scanner with a message saying PCM is responsible for the... On, but similar PCM fourth, you agree to our OK I have no comm and easy install. Youre having trouble with your 2003 Dodge Ram 1500s PCM, dont hesitate to get some information! Get it checked out by a professional a lil iffy & amp ; no communication the. Ignition coils and fuel injectors performed by using the OBDII connector into my classroom Rosedale..., resetting the PCM, the vehicle may not run properly or at all Jeep is acting.. Of analog sound wave as closely as possible crank but no start scanner your. Youre mechanically inclined Rosedale Technical College set - someone on another forum answered pretty quick all! Does not crank, security light flashing is responsible for controlling the engine computer ( PCM,. A problem with the PCM, which can be performed by using the OBDII.... Attempts are made to communicate after fixing the wiring problem Looking for some ideas on what I may missing... Problem with the OBD connector everything seems to be so liability for property damage or injury incurred a! Mass airflow sensor amp ; no communication with the engine and transmission, so its that! Trucks ECU ( engine control unit ) this can be performed by using the OBDII connector that...
Caribbean Festival Atlanta 2022 Piedmont Park, Liam Mcmahon Chiropractic, Biltmore Pool Scandal, Articles N