u0164 lost communication with hvac control module

(b) Measure the voltage according to the value(s) in the table below. If the code does not return or communication is re-established, then the fuses/connections were most likely your problem. the resistances of the main wire and branch wire. 209 Lost Communication With HVAC Control Module. window.dataLayer = window.dataLayer || []; provided under a separate subscription. Locate where the ground attaching points are on the vehicle and make sure that these connections are clean and tight. Content .. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. HVACCM, , U0164, , , . If unable to access the HVACCM, then the U0164 code that the other modules are setting is active, and the problem is there now. When disconnecting the cable from the negative (-) battery terminal, initialize Check all fuses that power up the HVACCM module on this vehicle.

Disconnect the negative battery cable before unplugging the connector at the HVACCM module. For a better experience, please enable JavaScript in your browser before proceeding. Hook the red lead of your voltmeter to battery positive (B+) and the black lead to each ground circuit. Before connecting the connectors back to the HVACCM, make these few voltage checks. the doors and leave them open. It receives inputs from a variety of sensors, some hardwired directly to it, most are sent over the bus communications system. Let dry and apply electrical grease where the terminals contact. Locate the CAN B+ (or MSCAN + circuit) and CAN B- (or MSCAN circuit). Skid control ECU (brake actuator assembly). your question in our FREE car repair forums, HVAC Control Module wont power up / inoperative, Short to power or ground in either CAN bus circuit. Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module, HVAC Control Module harness is open or shorted, HVAC Control Module circuit poor electrical connection, Engine Light ON (or Service Engine Soon Warning Light). Fix them securely in place onto the carpet.

If your scan tool can access fault codes and the only one you get from other modules is the U0164, try to access to the hvac control module (HVACCM). Center panel Glove box This communication will Note: In the case of Nissan & Infiniti vehicles, this code may be referred to as loss of communication with combination meter. If you still need help regarding the U0164 trouble code, please post See if they look burned or have a green tint indicating corrosion. Check voltage at fuse #32 input and output, if low then TIPM is defective. , , , , CAN. , , . The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. SetCondition:BusmessagesnotreceivedfromtheA/CHeaterControl(HVAC)forapproximately2to5seconds. model year as your vehicle. short. Repair the poor contact of harness, or replace the harness. JavaScript is disabled. No communication between the engine stop and start ECU and the ECM for 3.1 seconds. PM2 Gateway), CHECK FOR OPEN IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER BRANCH WIRE). , , . Dodge , . 210 Connect the red lead of your voltmeter to each B+ (battery voltage) supply coming into the HVACCM connector and the black lead of your voltmeter to a good ground (if not sure, battery negative always works). , , . (a) Disconnect the cable from the negative (-) battery terminal before measuring

>>RefertotheStoredLostCommunicationtestprocedure.

3rd Gen. ECM cannot talk to a dead module. You will need to have access to a digital volt-ohmmeter (DVOM). Check all grounds for the HVACCM. . Verify that you have good grounds as well. INSPECT DIFFERENTIAL RING GEAR BACKLASH Dodge Cummins 03-07 Common Rail Forums, The Fora platform includes forum software by XenForo. designed exclusively to receive broadcasts With the black lead of your voltmeter connected to a good ground, connect the red lead to CAN B+. When disconnecting the cable, some systems need to be initialized after Luggage compartment (vehicles without the 120 V AC) . It is necessary to enter in Dtc u0327 software incompatibility with vehicle security control module, Dtc u0155 lost communication with instrument panel cluster (ipc) control module, How to subscribe to SiriusXM Satellite (b) Disconnect the air conditioning amplifier connector. doors.

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, , , . No communication between the engine stop and start ECU and the main body ECU for 3.6 seconds. ? I checked for continuity on the gray pink wire from the back of the FICM to the control AC heater and there is continuity. PRECAUTION

I've searched all over this forum but no one seems to have this problem on an 06, 2006 RAM 2500 MEGACAB 2WD SLT Automatic 5.9HO. If you can access codes from the HVACCM, then the U0164 code is either intermittent or a memory code. I was totally stumped. CAN B + ( MSCAN + ) CAN B- ( MSCAN ). DTC No. , Junkers Ju 88. These inputs allow the module to control the interior temperature of the vehicle, in this case for front only or both front and rear passengers. - . Using the Subaru Select Monitor, read DTC of all the systems. inspection procedure. Para obter informaes atuais e completas sobre o PGLetras-UFMA acesse nossa pgina em http://www.pgletras.ufma.br/ I will replace it with a new one to see what happens. Most auto repair shops charge between $75 and $150 per hour. You should see approximately 4.4 volts and fluctuating slightly. ECU (Techstream display: PM2 Gateway), troubleshoot for U1002 and check for malfunctions Air Conditioning Amplifier Communication Stop Mode, Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121), Air conditioning amplifier branch wire or connector, Power source circuit of air conditioning amplifier.

The power outlet can be used when Vehicles Lost Communication with "Seat Control Module A" (U0208), Brake Actuator (Skid Control ECU) Communication Stop Mode, Power source or inside air conditioning amplifier assembly, Air conditioning amplifier assembly branch wire or connector.

But at least I know I'm on the right track. : (TSB) . HVACCM . the following systems after the cable is reconnected. Your issue may be a known issue with a known fix put out by the manufacturer and can save you time and money during diagnosis.

Pull the connectors apart and carefully inspect the terminals (the metal parts) inside the connectors. O Programa de Ps-Graduao em Letras decorre de uma proposta apresentada pelo Departamento de Letras da Universidade Federal do Maranho e elaborada em consonncia com os dispositivos do Estatuto, do Regimento Geral, do Regimento dos Cursos de Ps-Graduao stricto sensu e lato sensu da UFMA e deste Regimento Interno, estando previsto no Plano de Desenvolvimento Institucional - PDI - 2012-2016.O Curso de Mestrado Acadmico em Letras, do Programa de Ps-Graduao em Letras - PGLetras, aprovado pela Resoluo 1007/2013 - CONSEPE-UFMA, de 6 de maio de 2013, e recomendado pela CAPES com nota 3 e rea de concentrao em Estudos da Linguagem, est estruturado em trs linhas de pesquisa: Linha 1 - Descrio e Anlise do Portugus Brasileiro; Linha 2 - Estudos de Linguagem e Prticas Discursivas e 3- Estudos Tericos e Crticos em Literatura. (adsbygoogle = window.adsbygoogle || []).push({}); Without this CAN bus, control modules cannot exchange information, and your scan tool may not be able to get information from the vehicle, depending on which circuit is affected. It is possible that temporary poor communication occurs. battery terminal to disable the SRS system. I'll leave it like this until I have other problems. The hvac control module is typically located behind the dash, usually in the center of the vehicle, or behind the instrument panel. When any DTCs indicating a CAN communication system malfunction are output, troubleshoot the CAN communication system before repairing each corresponding component. If any repairs were made, clear the diagnostic trouble codes from memory, and see if the U0164 code returns or if you are able to communicate with the HVACCM module. Anyway the wires look good as you can see in the pic. No communication between the engine stop and start ECU and the combination meter for 10.6 seconds. (c) Measure the resistance according to the value(s) in the table below. Dodge Durango (HB) - service repair manual 2005 year. A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. . Once located, visually inspect the connectors and wiring. RefertotheTableofContentsforacompletelistofthesymptoms. The power outlet can be used for 12 V accessories that run on less than 10 The most common failure is a circuit fault which causes the loss of power or ground to the hvac control module. Is the air conditioner data no-receive detected in several modules-. . If any doors need to be opened in order to check connectors, open REPAIR OR REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH WIRE OR All information on this site is copyright protected. (function (d, w, c) { (w[c] = w[c] || []).push(function() { try { w.yaCounter41205104 = new Ya.Metrika({ id:41205104, clickmap:true, trackLinks:true, accurateTrackBounce:true }); } catch(e) { } }); var n = d.getElementsByTagName("script")[0], s = d.createElement("script"), f = function () { n.parentNode.insertBefore(s, n); }; s.type = "text/javascript"; s.async = true; s.src = "https://mc.yandex.ru/metrika/watch.js"; if (w.opera == "[object Opera]") { d.addEventListener("DOMContentLoaded", f, false); } else { f(); } })(document, window, "yandex_metrika_callbacks"); NOTE: This information is presented for information purposes only. 211 REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (AIR CONDITIONING Going to splice them together. Example: If the eco run vehicle converter assembly (backup boost converter) detects overcurrent in the power source circuit for EPS and the power supply is shut off, DTC U0131 and P323B (Backup Boost Converter) will be stored. (a) Connect the cable to the negative (-) battery terminal. PerformBODYVERIFICATIONTESTVER1. , HVACCM . CHECKFORANYOFTHEFOLLOWINGACTIVEDTCS. Visually inspect the related wiring harness and connectors. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Heating, Ventilation, and Air Conditioning (HVAC) Control Module has not been received. There goes the redneck jumper and the final result is. , OBD-II. HINT: - , , U0164 HVACCM. 1) Shake the harness, and check for poor contact. Lost Communication with Anti-lock Brake System (ABS) Control Module, Lost Communication with Electric Power Steering ECU, Lost Communication with Instrument Panel Cluster Control Module (Combination Meter), Lost Communication with HVAC Control Module, Lost Communication with ECM/PCM "A" Powertrain Bus. Matrcula para el perodo A. Operating the ignition switch, any other switches or a door triggers Next, connect the red voltmeter lead to the CAN B- circuit. After I scrapped all the black charcoal looking stuff I noticed that none of the wires were burned. Nissan Infiniti . Verify that you have power and ground at the HVACCM. . U1002 is not output from power management control ECU (Techstream display: Wait at least 90 seconds after disconnecting the cable from the negative (-) you take on any vehicle. If you have to, take them off, get a small wire bristle brush and baking soda/water solution and clean each one, both the connector and where it connects. IT WORKS!!! No communication between the engine stop and start ECU and the A/C amplifier for 10.6 seconds. 0.11 to 0.21 mm (0.00433 to 0.00827 in.) (a) Disconnect the F42 air conditioning amplifier assembly connector. Troubleshooting steps would be similar. the vehicle for a while, the malfunction may be occurring due to vibration If the backlash is not as specified, adj Power outlets (12 V DC) Give me options and I can buy one on my own. Turn the ignition switch off before measuring the resistances between - (). However the Dashboard module still does not light up the AC Light and Defrost. The cost to diagnose the U0164 code is 1.0 hour of labor. In such a case, wiggling the ECUs or wire harness while , , - . cause the resistance value to change. Ok I think I found a Redneck solution. However the Dashboard module still does not light up the AC Light and Defrost. PM2 Gateway), U1002 is output from power management control ECU (Techstream display: Insert the retaining hooks (clips) into the floor mat eyelets. If not, repair the power or ground circuit problem. Precaution There is Continuity. 212 .. U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE, ELECTRONICCONTROLMODULES-ELECTRICALDIAGNOSTICS, U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE(CONTINUED). Severity in this case would not be an issue due to the modules backup capabilities. warning system and light reminder warning system are not operating.

Radio, Diagnostic procedure with diagnostic trouble code (dtc). 1. , - , U0164, , , , HVACCM. Radio (adsbygoogle = window.adsbygoogle || []).push({}); Cooperation control of air conditioner does not operate properly. 2) Read the DTC using Subaru Select Monitor. DoesthescantooldisplayanyactiveDTCstotheconditionslistedabove? Misdiagnosis has been known to occur if you diagnose the U0164 code before any of the basic codes have been thoroughly diagnosed and dismissed. in the power management main bus circuit. of the vehicle. Satellite Radio service is necessary. ? NOTE:CheckforFCMconfiguration,CANBorChardwareelectrical,VINMissing/Mismatch,batteryorigni-tionrelatedDTCs. (a) Measure the resistance according to the value(s) in the table below. SST: 09564-32011 . See Procedure All content 2004-2022 OBD-Codes.com, VW Golf 5, 2.0 Many codes P1637 P1570 U0146 U0164 etc, post , , U0164 , - . Proceed to CAN Communication System Click here. *document.getElementById("comment").setAttribute( "id", "a4039e2d7ead791bfd05a9fb9733335f" );document.getElementById("a2cb17007d").setAttribute( "id", "comment" ); : . , . vol11, 1945 2, , : BMW 320i xDrive Gran Turismo, Opel Astra Extreme: , (MIL) , HVAC / , CAN-, HVACCM. PROCEDURE Superintendncia de Tecnologia da Informao. , , HVACCM. How to subscribe DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL.

If an electrical issue arises, the module has a backup, and will default to the defrost position, just as a precaution. HVACCM. HVACCM . U0164? Standard backlash: Therefore a DTC indicating a CAN communication error with the applicable system will be stored in addition to DTC P323B. AMPLIFIER BRANCH WIRE), CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL). Withthescantool,readactiveDTCsfromallmodules.

You should see a reading of battery voltage. Most of these HVACCM must be programmed, or calibrated to the vehicle to be installed correctly.

Next, check the two communication circuits. HVACCM . The Logical answer would be a blown fuse however the fuse is good. Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121) 1 +380956184824, , U0164 HVAC, OBD-II . 1943-1945 . Delete the DTC. Until my FICM burns up. No communication between the engine stop and start ECU and the skid control ECU for 2.4 seconds. Operating information and commands are exchanged among the devices. -, . The engine stop and start ECU communicates with the SFI system, ABS/VSC system, EPS, combination meter system, airbag system, body system, and air conditioning system via CAN. CONNECTOR (CANH, CANL), CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY Gain access to a wiring diagram and determine where the main powers and grounds come into the HVACCM. Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin. Need more information on how to fix the U0164 code? , . related ECU and sensor communication on the CAN. for July's Cummins of the Month Challenge! NOTE:EnsuretheIODfuseisinstalledandbatteryvoltageisbetween10and16voltsbeforeproceeding.Withthescantool,readactiveDTCs. This is the 1-C1 fused ignition switch output. ForacompletewiringdiagramRefertoSection8W. (B +), . gtag('config', 'UA-146846665-1'); Index With the Key On, Engine Off, you should see about 0.5 volts and fluctuating slightly. OK I FIXED IT somewhat. B + ( ), HVACCM, ( , ). performing the inspection below may help determine the cause of the malfunction. , HVAC (HVACCM) . , , / , , , . For vehicles with a smart key system only. If power management bus DTC U1002 is output from the power management control ( ) . If any of these CAN communication malfunctions occurs, the respective DTC will be stored. Check the connector used for high speed CAN for poor contact. Get Access to Factory Service Manuals, Get the u0164 code diagnosed by a professional: Find a repair shop in your area, Lost Communication With HVAC Control Module, Lost Communication With Combination Meter. >>DiagnoseandrepairtheDTC. (b) Measure the resistance according to the value(s) in the table below. , CAN , HVACCM, / . What is the Cost to Diagnose the U0164 Code?

CAN bus uses two dedicated wires for communication. (adsbygoogle = window.adsbygoogle || []).push({}); There is no communication from the air conditioning amplifier assembly. CAN Communication Circuit Check. This DTC relates to the accelerator pedal sensor assembly. U0164, .. . , HVACCM. The wires are called CAN high and CAN low. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Contact Us First, note if there are any other diagnostic fault codes. DTCSRELATEDTOBATTERYVOLTAGE,IGNITION,ORVINMESSAGES. Look for scraping, rubbing, bare wires, burn spots or melted plastic. Also the CAN BUS involved two circuit + and -, not just the +. DISASSEMBLY It appeared to be some type of mold or critter nest. O curso de Mestrado Acadmico em Letras funciona no turno vespertino, no Centro de Cincias Humanas - CCH. - / , . It is not intended as repair advice and we are not responsible for any actions Typically the causes for this code to set are: A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. Problem solved for now. Once again you should see battery voltage at each connection. Probably need a new FICM but I dont want to roll the dice and buy one. If I do I'll break down and get a new FICM. DESCRIPTION . When the CAN bus is in idle mode, both lines carry 2.5V. If all tests have passed and communication is still not possible, or you were unable to clear the U0164 fault code, the only thing left that can be done is to seek assistance from a trained automotive diagnostician, as this would indicate a failed HVACCM. NOTICE: your question in our FREE car repair forums. If any of them are bus communication related or battery / ignition related, diagnose them first. (c) Measure the voltage according to the value(s) in the table below. If the eco run vehicle converter assembly (backup boost converter) detects overcurrent in a power source circuit, power supply to the circuit is shut off. IMO/assumption, the module has to be live first in order for ECM to communicate with. How to subscribe to SiriusXM Satellite A SiriusXM Satellite Radio is a tuner No communication between the engine stop and start ECU and the ECM for 0.84 seconds. Turn the ignition switch off before inspecting CAN bus wires for a ground , . no problem , hope it helps, let us know what happens:wink2: So I tested for Continuity and it was Good. the cable is reconnected (See page ). A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. gtag('js', new Date()); , . I found another SWITCHED IGNITION + just next to the Pink Gray. is reconnected (See page ). The circuit most often used to communicate with is known as Controller Area Network bus communications, or simply put, CAN bus. , CAN B +. 2022.1. After the ignition switch is turned off, check that the key reminder Disassembly Im going to have to bite the bullet here and take it to the dealer. Inspect the fuses for circuits related to this system before performing the following CAN bus main wires and between CAN bus branch wires. Use electrical contact cleaner and a plastic bristle brush if cleaning of the terminals is needed. Refer to DTC P2120 (See page ). Or I'll send mine out for full inspection. , , , U0164, hvac (HVACCM). CAN B. 4.4 . and sensor communication with the CAN, which causes resistance variation. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Use only floor mats designed specifically for vehicles of the same model and Repair the connector that has poor contact, or replace harness. http://www.cumminsforum.com/forum/3rd-gen-powertrain/2014730-mpg-threads.html#post23312562, http://www.rambodybuilder.com/2006/docs/wd/dr/wiringdiagrams/8w42airconditioning.pdf, 15168234788941375135054_1516823503076.jpg, 15168235395001910988035_1516823561356.jpg, 15168255974621565670433_1516825623599.jpg, 15168265056181781374987_1516826531323.jpg, 15168265450601962733596_1516826564506.jpg, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Luggage compartment (vehicles with the 120 V AC) This code means that the HVAC Control Module (HVACCM) and other control modules on the vehicle are not communicating with each other. Is the voltage suppost to be this low? System Name Troubleshooting steps may vary depending upon manufacturer, type of communications system, number of wires and wire colors in the communication system. When disconnecting the cable, some systems need to be initialized after the cable Dodge Durango (HB) - service repair manual 2005 year. Floor mats Start by checking the "Possible Causes" listed above. It appears the fused ignition switch output is not sending 12 volts to the control AC heater. HVAC. At least the dealer will diagnose it. . Even after DTCs are cleared, if a DTC is stored again after driving What are the Possible Causes of the U0164 Code? REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT). . , , , . With out drb3 scanner I would try cleaning connectors etc , hope that is issue. , , / . Was the basic diagnostic procedure performed up to STEP 8-, Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0164 LOST COMMUNICATION WITH HVAC CONTROL MODULE, Perform the basic diagnostic procedure. This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. , , . 0.5 . Basic Diagnostic Procedure, 1) Check CAN communication circuit. If the code returns, locate the CAN bus communication connections on your vehicle, most importantly the HVACCM connector, which is usually behind the dash/instrument panel. 3) Read the DTC using Subaru Select Monitor. Before measuring the resistance, leave the vehicle as is for at least . the vehicle, a subscription to the SiriusXM No communication between the engine stop and start ECU and the airbag sensor assembly for 10.6 seconds. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! AGEUFMA - Agncia de Inovao, Empreendedorismo, Pesquisa, Ps-Graduao e Internacionalizao. , HVACCM . CAN , , , . Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. Refertothetableofcontentsinthissection. (a) Using SST and a dial indicator, measure the ring gear backlash. (adsbygoogle = window.adsbygoogle || []).push({}); No communication from the air conditioning amplifier continues. REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT), CHECK HARNESS AND CONNECTOR (GROUND TERMINAL). CHECK FOR OPEN IN CAN BUS WIRE (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH Thanks you very much for steering in a direction. However the back of the plug at the FICM looked black as if it was burned. 2) Replace the module that the DTC has been detected. To listen to a satellite radio broadcast in function gtag(){dataLayer.push(arguments);}

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