u0164 lost communication with hvac control module

, . Troubleshooting steps would be similar. When any DTCs indicating a CAN communication system malfunction are output, troubleshoot the CAN communication system before repairing each corresponding component. Disassembly Contact Us , , . If any doors need to be opened in order to check connectors, open It receives inputs from a variety of sensors, some hardwired directly to it, most are sent over the bus communications system. PerformBODYVERIFICATIONTESTVER1. ECU (Techstream display: PM2 Gateway), troubleshoot for U1002 and check for malfunctions model year as your vehicle. RefertotheTableofContentsforacompletelistofthesymptoms. , CAN B +. There goes the redneck jumper and the final result is. SST: 09564-32011 (b) Disconnect the air conditioning amplifier connector. gtag('js', new Date()); This communication will 1. , , . 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. and sensor communication with the CAN, which causes resistance variation. , HVACCM . There is Continuity. designed exclusively to receive broadcasts After the ignition switch is turned off, check that the key reminder , , . In such a case, wiggling the ECUs or wire harness while However the Dashboard module still does not light up the AC Light and Defrost. Once located, visually inspect the connectors and wiring. WIRE). DTCSRELATEDTOBATTERYVOLTAGE,IGNITION,ORVINMESSAGES. Fix them securely in place onto the carpet. AMPLIFIER BRANCH WIRE), CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL). DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL. No communication between the engine stop and start ECU and the combination meter for 10.6 seconds. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Luggage compartment (vehicles without the 120 V AC) When disconnecting the cable, some systems need to be initialized after the cable Note: In the case of Nissan & Infiniti vehicles, this code may be referred to as loss of communication with combination meter. Locate the CAN B+ (or MSCAN + circuit) and CAN B- (or MSCAN circuit). , , / , , , . This is the 1-C1 fused ignition switch output. It appeared to be some type of mold or critter nest. 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. No communication between the engine stop and start ECU and the airbag sensor assembly for 10.6 seconds. Im going to have to bite the bullet here and take it to the dealer. If the backlash is not as specified, adj Power outlets (12 V DC) - / , . 1942-1944 . The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. I will replace it with a new one to see what happens. I'll leave it like this until I have other problems. Problem solved for now. , , , . DESCRIPTION Dodge Durango (HB) - service repair manual 2005 year. ? 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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. HVACCM, U0164 , . 0.5 . HVACCM . But at least I know I'm on the right track. - (). What is the Cost to Diagnose the U0164 Code? . , . All information on this site is copyright protected. 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. CHECK FOR OPEN IN CAN BUS WIRE (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH the vehicle, a subscription to the SiriusXM (c) Measure the voltage according to the value(s) in the table below. REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT). With the Key On, Engine Off, you should see about 0.5 volts and fluctuating slightly. IMO/assumption, the module has to be live first in order for ECM to communicate with. Check all fuses that power up the HVACCM module on this vehicle. battery terminal to disable the SRS system. Operating the ignition switch, any other switches or a door triggers However the Dashboard module still does not light up the AC Light and Defrost. Visually inspect the related wiring harness and connectors. the cable is reconnected (See page ). If an electrical issue arises, the module has a backup, and will default to the defrost position, just as a precaution. After I scrapped all the black charcoal looking stuff I noticed that none of the wires were burned. - , , U0164 HVACCM. You will need to have access to a digital volt-ohmmeter (DVOM). . For vehicles with a smart key system only. function gtag(){dataLayer.push(arguments);} Superintendncia de Tecnologia da Informao. HVACCM. Thanks you very much for steering in a direction. , - , U0164, , , , HVACCM. It is not intended as repair advice and we are not responsible for any actions Is the voltage suppost to be this low? CAN bus main wires and between CAN bus branch wires. Radio INSPECT DIFFERENTIAL RING GEAR BACKLASH However the back of the plug at the FICM looked black as if it was burned. When the CAN bus is in idle mode, both lines carry 2.5V. CONNECTOR (CANH, CANL), CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY If unable to access the HVACCM, then the U0164 code that the other modules are setting is active, and the problem is there now. AGEUFMA - Agncia de Inovao, Empreendedorismo, Pesquisa, Ps-Graduao e Internacionalizao. 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. Check the connector used for high speed CAN for poor contact. Turn the ignition switch off before measuring the resistances between When disconnecting the cable from the negative (-) battery terminal, initialize Skid control ECU (brake actuator assembly). Therefore a DTC indicating a CAN communication error with the applicable system will be stored in addition to DTC P323B. ECM cannot talk to a dead module. . NOTE:CheckforFCMconfiguration,CANBorChardwareelectrical,VINMissing/Mismatch,batteryorigni-tionrelatedDTCs. Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin. U1002 is not output from power management control ECU (Techstream display: (a) Disconnect the F42 air conditioning amplifier assembly connector. Satellite Radio service is necessary. PROCEDURE At least the dealer will diagnose it. The circuit most often used to communicate with is known as Controller Area Network bus communications, or simply put, CAN bus. Back Door Closer System 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. (a) Disconnect the cable from the negative (-) battery terminal before measuring (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"); (b) Measure the resistance according to the value(s) in the table below. Withthescantool,readactiveDTCsfromallmodules. 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). 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. Using the Subaru Select Monitor, read DTC of all the systems. 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. 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. 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 Next, check the two communication circuits. Use electrical contact cleaner and a plastic bristle brush if cleaning of the terminals is needed. Or I'll send mine out for full inspection. A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. Most auto repair shops charge between $75 and $150 per hour. HVACCM, , U0164, , , . This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. Operating information and commands are exchanged among the devices. OK I FIXED IT somewhat. The hvac control module is typically located behind the dash, usually in the center of the vehicle, or behind the instrument panel. CAN Communication Circuit Check. (a) Using SST and a dial indicator, measure the ring gear backlash. (adsbygoogle = window.adsbygoogle || []).push({}); Cooperation control of air conditioner does not operate properly. Refer to DTC P2120 (See page ). The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Operating the ignition switch, any switches or any doors triggers related ECU CAN , , , . Reconnect the battery before continuing, with the HVACCM still disconnected. I found another SWITCHED IGNITION + just next to the Pink Gray. -, . If any of them are bus communication related or battery / ignition related, diagnose them first. Para obter informaes atuais e completas sobre o PGLetras-UFMA acesse nossa pgina em http://www.pgletras.ufma.br/ Inspect the fuses for circuits related to this system before performing the following (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. warning system and light reminder warning system are not operating. Nissan Infiniti . A. (b) Measure the voltage according to the value(s) in the table below. PM2 Gateway), U1002 is output from power management control ECU (Techstream display: It is possible that temporary poor communication occurs. If you can access codes from the HVACCM, then the U0164 code is either intermittent or a memory code. Before measuring the resistance, leave the vehicle as is for at least Look for scraping, rubbing, bare wires, burn spots or melted plastic. Until my FICM burns up. Start by checking the "Possible Causes" listed above. the vehicle for a while, the malfunction may be occurring due to vibration 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. is reconnected (See page ). All content 2004-2022 OBD-Codes.com, VW Golf 5, 2.0 Many codes P1637 P1570 U0146 U0164 etc, post Next, connect the red voltmeter lead to the CAN B- circuit. This DTC relates to the accelerator pedal sensor assembly. you take on any vehicle. First, note if there are any other diagnostic fault codes. If not, repair the power or ground circuit problem. 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. If any of these CAN communication malfunctions occurs, the respective DTC will be stored. Is the air conditioner data no-receive detected in several modules-. Locate where the ground attaching points are on the vehicle and make sure that these connections are clean and tight. , , HVACCM. Anyway the wires look good as you can see in the pic. 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). ? the following systems after the cable is reconnected. See Procedure DoesthescantooldisplayanyactiveDTCstotheconditionslistedabove? Dodge Durango (HB) - service repair manual 2005 year. No communication between the engine stop and start ECU and the main body ECU for 3.6 seconds. , Junkers Ju 88. 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. , . The Logical answer would be a blown fuse however the fuse is good. Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121) , , . If the code does not return or communication is re-established, then the fuses/connections were most likely your problem. A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Standard backlash: Let dry and apply electrical grease where the terminals contact. window.dataLayer = window.dataLayer || []; Lost Communication With HVAC Control Module. , HVACCM . B + ( ), HVACCM, ( , ). : (TSB) . 212 .. U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE, ELECTRONICCONTROLMODULES-ELECTRICALDIAGNOSTICS, U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE(CONTINUED). cause the resistance value to change. 1 +380956184824, , U0164 HVAC, OBD-II . I was totally stumped. What are the Possible Causes of the U0164 Code? Disconnect the negative battery cable before unplugging the connector at the HVACCM module. . The power outlet can be used for 12 V accessories that run on less than 10 No communication between the engine stop and start ECU and the skid control ECU for 2.4 seconds. Gain access to a wiring diagram and determine where the main powers and grounds come into the HVACCM. PRECAUTION , , , , CAN. HVACCM . See if they look burned or have a green tint indicating corrosion. A SiriusXM Satellite Radio is a tuner NOTE:EnsuretheIODfuseisinstalledandbatteryvoltageisbetween10and16voltsbeforeproceeding.Withthescantool,readactiveDTCs. ( ) . the resistances of the main wire and branch wire. 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. , HVACCM. Give me options and I can buy one on my own. You should see approximately 4.4 volts and fluctuating slightly.

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