u0164 lost communication with hvac control module

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All information on this site is copyright protected. >>DiagnoseandrepairtheDTC. Is the voltage suppost to be this low? Next, connect the red voltmeter lead to the CAN B- circuit. , , - . Dodge Check voltage at fuse #32 input and output, if low then TIPM is defective. 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. INSPECT DIFFERENTIAL RING GEAR BACKLASH Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121) Luggage compartment (vehicles with the 120 V AC) It appears the fused ignition switch output is not sending 12 volts to the control AC heater. gtag('js', new Date()); , , . , - , U0164, , , , HVACCM. With the black lead of your voltmeter connected to a good ground, connect the red lead to CAN B+. Check the connector used for high speed CAN for poor contact. HVACCM, U0164 , . The heater is controlled by TIPM which is computerized power controller, it uses can b bus , as a communication network to control monitor,trucks electronics. the cable is reconnected (See page ). You should see approximately 4.4 volts and fluctuating slightly. Operating information and commands are exchanged among the devices. Misdiagnosis has been known to occur if you diagnose the U0164 code before any of the basic codes have been thoroughly diagnosed and dismissed. designed exclusively to receive broadcasts All content 2004-2022 OBD-Codes.com, VW Golf 5, 2.0 Many codes P1637 P1570 U0146 U0164 etc, post Repair the connector that has poor contact, or replace harness. 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. Refer to DTC P2120 (See page ). Radio Basic Diagnostic Procedure, 1) Check CAN communication circuit.

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. System Name CONNECTOR (CANH, CANL), CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY Content .. If power management bus DTC U1002 is output from the power management control Also the CAN BUS involved two circuit + and -, not just the +. DTCSRELATEDTOBATTERYVOLTAGE,IGNITION,ORVINMESSAGES. , HVACCM. Next, check the two communication circuits. HVACCM. What are the Possible Causes of the U0164 Code? When disconnecting the cable, some systems need to be initialized after the cable This is the 1-C1 fused ignition switch output. , , . Pull the connectors apart and carefully inspect the terminals (the metal parts) inside the connectors. 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. For vehicles with a smart key system only. warning system and light reminder warning system are not operating. Luggage compartment (vehicles without the 120 V AC) No communication between the engine stop and start ECU and the skid control ECU for 2.4 seconds. Need more information on how to fix the U0164 code? short. ECU (Techstream display: PM2 Gateway), troubleshoot for U1002 and check for malfunctions When disconnecting the cable, some systems need to be initialized after Turn the ignition switch off before inspecting CAN bus wires for a ground . the vehicle for a while, the malfunction may be occurring due to vibration model year as your vehicle. (adsbygoogle = window.adsbygoogle || []).push({}); No communication from the air conditioning amplifier continues. , . Refertothetableofcontentsinthissection. Once located, visually inspect the connectors and wiring. HVAC. CHECKFORANYOFTHEFOLLOWINGACTIVEDTCS. It is possible that temporary poor communication occurs. U0164? window.dataLayer = window.dataLayer || []; It is not intended as repair advice and we are not responsible for any actions Dodge Cummins 03-07 Common Rail Forums, The Fora platform includes forum software by XenForo. If unable to access the HVACCM, then the U0164 code that the other modules are setting is active, and the problem is there now. 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. When any DTCs indicating a CAN communication system malfunction are output, troubleshoot the CAN communication system before repairing each corresponding component. 212 .. U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE, ELECTRONICCONTROLMODULES-ELECTRICALDIAGNOSTICS, U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE(CONTINUED). If you still need help regarding the U0164 trouble code, please post No communication between the engine stop and start ECU and the A/C amplifier for 10.6 seconds. 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. The wires are called CAN high and CAN low. CHECK FOR OPEN IN CAN BUS WIRE (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH

At least the dealer will diagnose it. (a) Measure the resistance according to the value(s) in the table below. Note: In the case of Nissan & Infiniti vehicles, this code may be referred to as loss of communication with combination meter. , , . ? No communication between the engine stop and start ECU and the ECM for 3.1 seconds. is reconnected (See page ). This code means that the HVAC Control Module (HVACCM) and other control modules on the vehicle are not communicating with each other. 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. PerformBODYVERIFICATIONTESTVER1. The power outlet can be used for 12 V accessories that run on less than 10 Fix them securely in place onto the carpet. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL. 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. 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. If I do I'll break down and get a new FICM. , Junkers Ju 88.

Delete the DTC. I found another SWITCHED IGNITION + just next to the Pink Gray. Check all grounds for the HVACCM. Or I'll send mine out for full inspection. 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. Standard backlash: . 0.11 to 0.21 mm (0.00433 to 0.00827 in.) If the backlash is not as specified, adj Power outlets (12 V DC) You will need to have access to a digital volt-ohmmeter (DVOM). I'll leave it like this until I have other problems. , . vol11, 1945 2, , : BMW 320i xDrive Gran Turismo, Opel Astra Extreme: , (MIL) , HVAC / , CAN-, HVACCM. , , / , , , . AND BODY GROUND). Most auto repair shops charge between $75 and $150 per hour. If any of them are bus communication related or battery / ignition related, diagnose them first. Check all fuses that power up the HVACCM module on this vehicle. (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. I ran a jumper wire as you can see in the photo from the battery positive to the back of the heater AC control and the air conditioning button turned on as you can see in the photo. , , , , CAN. SetCondition:BusmessagesnotreceivedfromtheA/CHeaterControl(HVAC)forapproximately2to5seconds. the doors and leave them open. There goes the redneck jumper and the final result is. provided under a separate subscription. 2) Read the DTC using Subaru Select Monitor. REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (AIR CONDITIONING , HVAC (HVACCM) . 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). B + ( ), HVACCM, ( , ). and sensor communication with the CAN, which causes resistance variation. 2) Replace the module that the DTC has been detected. (b) Disconnect the air conditioning amplifier connector. If an electrical issue arises, the module has a backup, and will default to the defrost position, just as a precaution. Verify that you have good grounds as well. Probably need a new FICM but I dont want to roll the dice and buy one. See Procedure 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. the vehicle, a subscription to the SiriusXM ECM cannot talk to a dead module. If any doors need to be opened in order to check connectors, open In such a case, wiggling the ECUs or wire harness while You should see a reading of battery voltage. DTC No. AMPLIFIER BRANCH WIRE), CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL). CAN bus uses two dedicated wires for communication. JavaScript is disabled. Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin.

. in the power management main bus circuit. There is Continuity.

Gain access to a wiring diagram and determine where the main powers and grounds come into the HVACCM. , , , . 210 Skid control ECU (brake actuator assembly). REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. ? Turn the ignition switch off before measuring the resistances between - / , . (b) Measure the resistance according to the value(s) in the table below. battery terminal to disable the SRS system. Look for scraping, rubbing, bare wires, burn spots or melted plastic. Disconnect the negative battery cable before unplugging the connector at the HVACCM module. It receives inputs from a variety of sensors, some hardwired directly to it, most are sent over the bus communications system. If the code does not return or communication is re-established, then the fuses/connections were most likely your problem. doors. . The Logical answer would be a blown fuse however the fuse is good. I was totally stumped. U1002 is not output from power management control ECU (Techstream display: 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. 1. (adsbygoogle = window.adsbygoogle || []).push({}); There is no communication from the air conditioning amplifier assembly. your question in our FREE car repair forums. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Use only floor mats designed specifically for vehicles of the same model and -, . Nissan Infiniti . 211 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). To listen to a satellite radio broadcast in However the Dashboard module still does not light up the AC Light and Defrost. 0.5 . , , U0164 , - . CAN Communication Circuit Check. See if they look burned or have a green tint indicating corrosion. This DTC relates to the accelerator pedal sensor assembly. CAN B. 4.4 . Withthescantool,readactiveDTCsfromallmodules. IMO/assumption, the module has to be live first in order for ECM to communicate with. Inspect the fuses for circuits related to this system before performing the following Anyway the wires look good as you can see in the pic. DoesthescantooldisplayanyactiveDTCstotheconditionslistedabove? O curso de Mestrado Acadmico em Letras funciona no turno vespertino, no Centro de Cincias Humanas - CCH. you take on any vehicle. Before measuring the resistance, leave the vehicle as is for at least Disassembly Even after DTCs are cleared, if a DTC is stored again after driving , . 1943-1945 . (b) Measure the voltage according to the value(s) in the table below. , . REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT), CHECK HARNESS AND CONNECTOR (GROUND TERMINAL). - . The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. 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. of the vehicle. Operating the ignition switch, any switches or any doors triggers related ECU How to subscribe , OBD-II. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. If you can access codes from the HVACCM, then the U0164 code is either intermittent or a memory code. Before connecting the connectors back to the HVACCM, make these few voltage checks. Matrcula para el perodo 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. ( ) . 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). First, note if there are any other diagnostic fault codes. , , , . 209 2022.1. Visually inspect the related wiring harness and connectors. This communication will DESCRIPTION , , . Use electrical contact cleaner and a plastic bristle brush if cleaning of the terminals is needed. Most of these HVACCM must be programmed, or calibrated to the vehicle to be installed correctly. A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. (a) Disconnect the cable from the negative (-) battery terminal before measuring REPAIR OR REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH WIRE OR - (). Satellite Radio service is necessary. Until my FICM burns up. Give me options and I can buy one on my own. Wait at least 90 seconds after disconnecting the cable from the negative (-) The hvac control module is typically located behind the dash, usually in the center of the vehicle, or behind the instrument panel. Hook the red lead of your voltmeter to battery positive (B+) and the black lead to each ground circuit. Para obter informaes atuais e completas sobre o PGLetras-UFMA acesse nossa pgina em http://www.pgletras.ufma.br/ IT WORKS!!! . No communication between the engine stop and start ECU and the ECM for 0.84 seconds. (c) Measure the resistance according to the value(s) in the table below. Insert the retaining hooks (clips) into the floor mat eyelets. CAN , , , .

OK I FIXED IT somewhat. With out drb3 scanner I would try cleaning connectors etc , hope that is issue. After I scrapped all the black charcoal looking stuff I noticed that none of the wires were burned. the following systems after the cable is reconnected. How to subscribe to SiriusXM Satellite 1 +380956184824, , U0164 HVAC, OBD-II . PROCEDURE What is the Cost to Diagnose the U0164 Code? I checked for continuity on the gray pink wire from the back of the FICM to the control AC heater and there is continuity. the resistances of the main wire and branch wire. , , , U0164, hvac (HVACCM). The Diagnostic Trouble Code (DTC) sets when a periodic message from the Heating, Ventilation, and Air Conditioning (HVAC) Control Module has not been received. WIRE). for July's Cummins of the Month Challenge! I will replace it with a new one to see what happens. A. . , HVACCM . Therefore a DTC indicating a CAN communication error with the applicable system will be stored in addition to DTC P323B. (a) Connect the cable to the negative (-) battery terminal. Is the air conditioner data no-receive detected in several modules-. If not, repair the power or ground circuit problem. ForacompletewiringdiagramRefertoSection8W. REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT). A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Radio, Diagnostic procedure with diagnostic trouble code (dtc). PM2 Gateway), CHECK FOR OPEN IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER BRANCH WIRE). 1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE. (adsbygoogle = window.adsbygoogle || []).push({}); Cooperation control of air conditioner does not operate properly. But at least I know I'm on the right track. , , / . 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. Start by checking the "Possible Causes" listed above. inspection procedure. Back Door Closer System Going to splice them together. . 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. 1) Shake the harness, and check for poor contact. RefertotheTableofContentsforacompletelistofthesymptoms. Floor mats After the ignition switch is turned off, check that the key reminder function gtag(){dataLayer.push(arguments);} , CAN , HVACCM, / . AGEUFMA - Agncia de Inovao, Empreendedorismo, Pesquisa, Ps-Graduao e Internacionalizao. , , . No communication between the engine stop and start ECU and the main body ECU for 3.6 seconds. : (TSB) . performing the inspection below may help determine the cause of the malfunction. A SiriusXM Satellite Radio is a tuner 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. Reconnect the battery before continuing, with the HVACCM still disconnected. The circuit most often used to communicate with is known as Controller Area Network bus communications, or simply put, CAN bus. NOTE:CheckforFCMconfiguration,CANBorChardwareelectrical,VINMissing/Mismatch,batteryorigni-tionrelatedDTCs. NOTE: This information is presented for information purposes only. For a better experience, please enable JavaScript in your browser before proceeding. .

The most common failure is a circuit fault which causes the loss of power or ground to the hvac control module. No communication between the engine stop and start ECU and the combination meter for 10.6 seconds. If any of these CAN communication malfunctions occurs, the respective DTC will be stored. , . SST: 09564-32011 HVACCM . When disconnecting the cable from the negative (-) battery terminal, initialize Dodge Durango (HB) - service repair manual 2005 year. Im going to have to bite the bullet here and take it to the dealer. This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. 3rd Gen. - , , U0164 HVACCM. related ECU and sensor communication on the CAN. *document.getElementById("comment").setAttribute( "id", "a4039e2d7ead791bfd05a9fb9733335f" );document.getElementById("a2cb17007d").setAttribute( "id", "comment" ); : . , . Severity in this case would not be an issue due to the modules backup capabilities. no problem , hope it helps, let us know what happens:wink2: So I tested for Continuity and it was Good.

Let dry and apply electrical grease where the terminals contact. DISASSEMBLY HINT: CAN B + ( MSCAN + ) CAN B- ( MSCAN ). HVACCM . PM2 Gateway), U1002 is output from power management control ECU (Techstream display: 1 minute and do not operate the ignition switch, any other switches or the 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. Glove box (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"); Center panel Ok I think I found a Redneck solution. However the Dashboard module still does not light up the AC Light and Defrost. Contact Us Troubleshooting steps may vary depending upon manufacturer, type of communications system, number of wires and wire colors in the communication system. . 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. , , HVACCM. However the back of the plug at the FICM looked black as if it was burned. . Problem solved for now. Operating the ignition switch, any other switches or a door triggers Locate where the ground attaching points are on the vehicle and make sure that these connections are clean and tight. NOTICE: Proceed to CAN Communication System Click here. Using the Subaru Select Monitor, read DTC of all the systems. NOTE:EnsuretheIODfuseisinstalledandbatteryvoltageisbetween10and16voltsbeforeproceeding.Withthescantool,readactiveDTCs. gtag('config', 'UA-146846665-1'); Index (a) Using SST and a dial indicator, measure the ring gear backlash. (c) Measure the voltage according to the value(s) in the table below. CAN bus main wires and between CAN bus branch wires. cause the resistance value to change. With the Key On, Engine Off, you should see about 0.5 volts and fluctuating slightly. Superintendncia de Tecnologia da Informao. 1942-1944 . (a) Disconnect the F42 air conditioning amplifier assembly connector. Repair the poor contact of harness, or replace the harness. PRECAUTION 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. >>RefertotheStoredLostCommunicationtestprocedure. Verify that you have power and ground at the HVACCM. , HVACCM . The cost to diagnose the U0164 code is 1.0 hour of labor. Precaution Lost Communication With HVAC Control Module. Troubleshooting steps would be similar. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. Once again you should see battery voltage at each connection. It appeared to be some type of mold or critter nest. , CAN B +. 3) Read the DTC using Subaru Select Monitor. HVACCM, , U0164, , , . Locate the CAN B+ (or MSCAN + circuit) and CAN B- (or MSCAN circuit). U0164, .. . No communication between the engine stop and start ECU and the airbag sensor assembly for 10.6 seconds. (B +), . The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. No communication between the engine stop and start ECU and the power steering ECU for 0.8 seconds. Thanks you very much for steering in a direction. Dodge Durango (HB) - service repair manual 2005 year. 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 HVACCM .

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u0164 lost communication with hvac control module