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. , , / , , , . This is the 1-C1 fused ignition switch output. It appears the fused ignition switch output is not sending 12 volts to the control AC heater.
For a better experience, please enable JavaScript in your browser before proceeding. No communication between the engine stop and start ECU and the ECM for 0.84 seconds. 
Hook the red lead of your voltmeter to battery positive (B+) and the black lead to each ground circuit. gtag('config', 'UA-146846665-1'); Index
Matrcula para el perodo Lost Communication With HVAC Control Module. Troubleshooting steps may vary depending upon manufacturer, type of communications system, number of wires and wire colors in the communication system. REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (AIR CONDITIONING
I'll leave it like this until I have other problems. (adsbygoogle = window.adsbygoogle || []).push({}); No communication from the air conditioning amplifier continues. Est al tanto de los eventos relacionados a nuestro Programa de Posgraduacin.
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. After the ignition switch is turned off, check that the key reminder
, . . Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. See Procedure
First, note if there are any other diagnostic fault codes.
No communication between the engine stop and start ECU and the combination meter for 10.6 seconds. INSPECT DIFFERENTIAL RING GEAR BACKLASH
: (TSB) . model year as your vehicle. It is not intended as repair advice and we are not responsible for any actions Superintendncia de Tecnologia da Informao. 2) Replace the module that the DTC has been detected. With the Key On, Engine Off, you should see about 0.5 volts and fluctuating slightly. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Misdiagnosis has been known to occur if you diagnose the U0164 code before any of the basic codes have been thoroughly diagnosed and dismissed. Ok I think I found a Redneck solution. No communication between the engine stop and start ECU and the main body ECU for 3.6 seconds. , Junkers Ju 88. Verify that you have good grounds as well. . Severity in this case would not be an issue due to the modules backup capabilities. you take on any vehicle. SetCondition:BusmessagesnotreceivedfromtheA/CHeaterControl(HVAC)forapproximately2to5seconds. Visually inspect the related wiring harness and connectors.
With the black lead of your voltmeter connected to a good ground, connect the red lead to CAN B+. 211
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What are the Possible Causes of the U0164 Code? 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. Delete the DTC. Let dry and apply electrical grease where the terminals contact. and sensor communication with the CAN, which causes resistance variation. Thanks you very much for steering in a direction. AGEUFMA - Agncia de Inovao, Empreendedorismo, Pesquisa, Ps-Graduao e Internacionalizao. U0164? Check all fuses that power up the HVACCM module on this vehicle. Nissan Infiniti . related ECU and sensor communication on the CAN. AND BODY GROUND). If power management bus DTC U1002 is output from the power management control
See if they look burned or have a green tint indicating corrosion.
Operating the ignition switch, any switches or any doors triggers related ECU
, HVAC (HVACCM) . >>DiagnoseandrepairtheDTC. , , . (a) Using SST and a dial indicator, measure the ring gear backlash. WIRE).
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. When the CAN bus is in idle mode, both lines carry 2.5V. Pull the connectors apart and carefully inspect the terminals (the metal parts) inside the connectors. 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. doors. IMO/assumption, the module has to be live first in order for ECM to communicate with. , HVACCM. vol11, 1945 2, , : BMW 320i xDrive Gran Turismo, Opel Astra Extreme: , (MIL) , HVAC / , CAN-, HVACCM. Start by checking the "Possible Causes" listed above. (a) Disconnect the F42 air conditioning amplifier assembly connector. 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. , CAN B +. Center panel
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. CAN bus main wires and between CAN bus branch wires. . gtag('js', new Date());
NOTE:CheckforFCMconfiguration,CANBorChardwareelectrical,VINMissing/Mismatch,batteryorigni-tionrelatedDTCs. , . DTC No. 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. Is the voltage suppost to be this low? Withthescantool,readactiveDTCsfromallmodules. Next, connect the red voltmeter lead to the CAN B- circuit. CAN bus uses two dedicated wires for communication. If I do I'll break down and get a new FICM. 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). NOTE:EnsuretheIODfuseisinstalledandbatteryvoltageisbetween10and16voltsbeforeproceeding.Withthescantool,readactiveDTCs. A.
Or I'll send mine out for full inspection.
If you can access codes from the HVACCM, then the U0164 code is either intermittent or a memory code. 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 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. 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. Also the CAN BUS involved two circuit + and -, not just the +. , HVACCM . The circuit most often used to communicate with is known as Controller Area Network bus communications, or simply put, CAN bus. However the back of the plug at the FICM looked black as if it was burned. Insert the retaining hooks (clips) into the floor mat eyelets.
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. This DTC relates to the accelerator pedal sensor assembly. -, . U1002 is not output from power management control ECU (Techstream display:
your question in our FREE car repair forums. , - , U0164, , , , 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). the cable is reconnected (See page ). - / , . It is possible that temporary poor communication occurs. HVAC. HVACCM. Most auto repair shops charge between $75 and $150 per hour. Check the connector used for high speed CAN for poor contact. Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121) I checked for continuity on the gray pink wire from the back of the FICM to the control AC heater and there is continuity. If an electrical issue arises, the module has a backup, and will default to the defrost position, just as a precaution. If any of these CAN communication malfunctions occurs, the respective DTC will be stored. No communication between the engine stop and start ECU and the ECM for 3.1 seconds. , , U0164 , - . (B +), . . 212 .. U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE, ELECTRONICCONTROLMODULES-ELECTRICALDIAGNOSTICS, U0164-LOSTCOMMUNICATIONWITHHVACCONTROLMODULE(CONTINUED). ECU (Techstream display: PM2 Gateway), troubleshoot for U1002 and check for malfunctions
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. is reconnected (See page ).
, , / . But at least I know I'm on the right track. inspection procedure. Note: In the case of Nissan & Infiniti vehicles, this code may be referred to as loss of communication with combination meter. 2) Read the DTC using Subaru Select Monitor. The power outlet can be used for 12 V accessories that run on less than 10
Going to splice them together. When disconnecting the cable, some systems need to be initialized after
DESCRIPTION
, , , U0164, hvac (HVACCM). Using the Subaru Select Monitor, read DTC of all the systems. - . NOTICE:
Turn the ignition switch off before measuring the resistances between
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT). Give me options and I can buy one on my own. Luggage compartment (vehicles with the 120 V AC)
When any DTCs indicating a CAN communication system malfunction are output, troubleshoot the CAN communication system before repairing each corresponding component.
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I will replace it with a new one to see what happens. Check voltage at fuse #32 input and output, if low then TIPM is defective. The wires are called CAN high and CAN low. 0.5 . 1942-1944 . , .
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CAN Communication Circuit Check. Standard backlash:
This code means that the HVAC Control Module (HVACCM) and other control modules on the vehicle are not communicating with each other. A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. No communication between the engine stop and start ECU and the airbag sensor assembly for 10.6 seconds. If the backlash is not as specified, adj Power outlets (12 V DC) If any doors need to be opened in order to check connectors, open
No communication between the engine stop and start ECU and the skid control ECU for 2.4 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. short. , HVACCM . Proceed to CAN Communication System Click here. HVACCM .
(b) Measure the resistance according to the value(s) in the table below. Luggage compartment (vehicles without the 120 V AC)
- , , U0164 HVACCM. 3) Read the DTC using Subaru Select Monitor. 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.
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OK I FIXED IT somewhat. For vehicles with a smart key system only. 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. (adsbygoogle = window.adsbygoogle || []).push({}); Cooperation control of air conditioner does not operate properly. HVACCM . REPAIR OR REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH WIRE OR
, , . Troubleshooting steps would be similar. 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. of the vehicle. for July's Cummins of the Month Challenge!
Refertothetableofcontentsinthissection. If you still need help regarding the U0164 trouble code, please post Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! 1 +380956184824, , U0164 HVAC, OBD-II . 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.
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. Contact Us
Turn the ignition switch off before inspecting CAN bus wires for a ground
If not, repair the power or ground circuit problem.
The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CHECK FOR OPEN IN CAN BUS WIRE (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH
In such a case, wiggling the ECUs or wire harness while
Disassembly
All content 2004-2022 OBD-Codes.com, VW Golf 5, 2.0 Many codes P1637 P1570 U0146 U0164 etc, post RefertotheTableofContentsforacompletelistofthesymptoms. Before measuring the resistance, leave the vehicle as is for at least
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