Honda Cars 2007-2008

2.4L L4 VIN - Std 7

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Trouble Code: U0122



F-CAN A Malfunction (Powertrain Control Module (PCM)-VSA Modulator-Control Unit) (PGM-FI System)

Possible Causes:



Poor connections or loose terminals at the VSA modulator-control unit and the PCM
 
"Open" circuit between the PCM and the VSA modulator-control unit
 
VSA modulator-control unit needs to be updated with the latest software
 
Faulty VSA modulator-control unit
 

Trouble Code: U0122



Lost Communication with VSA Modulator-Control Unit

Possible Causes:



Poor connections or loose terminals at the gauge control module, the VSA modulator-control unit, and the PCM
 
"Open circuit between the PCM and the VSA modulator-control
 
Perform DLC circuit troubleshooting
 
Faulty VSA modulator-control unit
 

Trouble Code: U0127



Gauge Control Module Lost Communication With the TPMS Control Unit (TPMS message)

Possible Causes:



Poor connections or loose terminals between gauge control module and TPMS control unit
 
"Open" circuit between gauge control module and TPMS control unit
 
Faulty TPMS control unit
 
Faulty gauge control module
 

Trouble Code: U0151



Gauge Control Module Lost Communication With SRS Unit

Possible Causes:



Loose or poor connections between the gauge control module, and the SRS unit.
 
"Open" circuit between the gauge control module, and the SRS unit
 
Faulty SRS unit
 
Faulty gauge control module
 

Trouble Code: U0155



Climate Control Unit Lost Communication with Gauge Control Module

Possible Causes:



Loose wires or poor connections on the B-CAN lines between the gauge control module and the climate control unit
 
Perform the gauge control module input test
 
"Open" in the wire(s) between the climate control unit and the gauge control module
 
Faulty climate control unit
 

Trouble Code: U0155



Passenger's MICU Lost Communication With Gauge Control Module

Possible Causes:



Loose or poor connections at the gauge control module and the related units
 
Perform the gauge control module input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the gauge control module
 

Trouble Code: U0155



Immobilizer-Keyless Control Unit Lost Communication With Gauge Control Module

Possible Causes:



Perform the gauge control module input test, and do all power, ground, and communication input tests
 
Loose or poor connections at the gauge control module and the related units
 
Faulty gauge control module
 

Trouble Code: U0155



Door Multiplex Control Unit Lost Communication With Gauge Control Module

Possible Causes:



Perform the gauge control module input test, and do all power, ground and communication input tests. If the tests prove OK, replace the gauge control module
 
Loose or poor connections at the gauge control module and the related units
 

Trouble Code: U0155



Driver's MICU Lost Communication With Gauge Control Module

Possible Causes:



Loose or poor connections at the gauge control module and the related units
 
Perform the gauge control module input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the gauge control module
 

Trouble Code: U0164



Door Multiplex Control Unit Lost Communication With Climate Control Unit

Possible Causes:



Perform the door multiplex control unit input test and check the power and ground. If OK, replace the driver's power window master switch
 
Loose or poor connections between the door multiplex control unit and climate control unit.
 

Trouble Code: U0199



Driver's MICU Lost Communication With Door Multiplex Control Unit

Possible Causes:



Perform the door multiplex control unit input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the power window master switch
 
Loose or poor connections at the door multiplex control unit and the related units
 

Trouble Code: U0199



Immobilizer-keyless Control Unit Lost Communication With Door Multiplex Control Unit

Possible Causes:



Perform the door multiplex control unit input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the power window master switch
 
Loose or poor connections at the door multiplex control unit and the related units
 

Trouble Code: U1102



F-CAN Malfunction (ECM/PCM Gauge Control Module)

Possible Causes:



Poor connections and loose terminals at the gauge control module and the ECM/PCM
 
"Open" circuit between the ECM/PCM and the gauge control module
 
ECM/PCM may need to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: U1280



Communication Bus Line Error (BUS-OFF)

Possible Causes:



Check battery and charging system condition
 
Perform the following input test to help find the faulty unit:
 

Door multiplex control unit (power window master switch) input test

Gauge control unit input test

Power control unit input test

Keyless access control unit input test

Remote slot control unit input test

Immobilizer-keyless control unit input test

Climate control unit power and ground circuit troubleshooting

Power seat control unit input test

HandsFreeLink control unit input test

AcuraLink control unit input test

Audio unit input test

Audio-navigation unit input test

Power tailgate control unit input test

BSI control unit input test



"Open" or "Short" between body ground and driver's under-dash fuse/relay box connector
 
Faulty driver's MICU
 

Trouble Code: U1282



Gauge Control Module Lost Communication With Driver's MICU

Possible Causes:



Perform the driver's MICU input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the driver's under-dash fuse/relay box
 
Loose or poor connections at driver's under-dash fuse/relay box and the related units
 
Faulty gauge control module
 
Faulty MICU
 

Trouble Code: U1282



Door Multiplex Control Unit Lost Communication With Driver's MICU

Possible Causes:



Perform the driver's MICU input test, and do all power, ground and communication input tests
 
Loose or poor connections at driver's under-dash fuse/relay box connector and the related units
 
Faulty driver's under-dash fuse/relay box
 

Trouble Code: U1282



Immobilizer-keyless Control Unit Lost Communication With Driver's MICU

Possible Causes:



Perform the driver's MICU input test, and do all power, ground and communication input tests
 
Loose or poor connections at driver's under-dash fuse/relay box connector and the related units
 
Faulty driver's under-dash fuse/relay box
 

Trouble Code: U1282



Keyless Access Control Unit Lost Communication With Driver's MICU

Possible Causes:



Perform the driver's MICU input test, and do all power, ground and communication input tests
 
Loose or poor connections at driver's under-dash fuse/relay box connector and the related units
 
Faulty driver's under-dash fuse/relay box
 

Trouble Code: U1282



Passenger's MICU Lost Communication With Driver's MICU

Possible Causes:



Perform the driver's MICU input test, and do all power, ground and communication input tests
 
Loose or poor connections at driver's under-dash fuse/relay box connector and the related units
 
Faulty driver's under-dash fuse/relay box
 

Trouble Code: U1282



Lost Communication With Driver's MICU

Possible Causes:



Perform the power seat control unit input test
 
Loose or poor connections between the power seat control unit and the driver's MICU
 

Trouble Code: U1283



Door Multiplex Control Unit Lost Communication With Passenger's MICU

Possible Causes:



Perform the passenger's MICU input test, and do all power, ground and communication input tests. If the tests prove OK, replace the passenger's under-dash fuse/relay box
 
Loose or poor connections at passenger's under-dash fuse/relay box and the related units
 

Trouble Code: U1283



Gauge Control Module Lost Communication With Passenger's MICU

Possible Causes:



Perform the passenger's MICU input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the passenger's under-dash fuse/relay box
 
Loose or poor connections at passenger's under-dash fuse/relay box and the related units
 

Trouble Code: U1283



Keyless Access Control Unit Lost Communication With Passenger's MICU

Possible Causes:



Perform the passenger's MICU input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the passenger's under-dash fuse/relay box
 
Loose or poor connections at passenger's under-dash fuse/relay box and the related units
 

Trouble Code: U1283



Driver's MICU Lost Communication With Passenger's MICU

Possible Causes:



Perform the passenger's MICU input test, and do all power, ground, and communication input tests. If the tests prove OK, replace the driver's under-dash fuse/relay box and the related units
 
Loose or poor connections at driver's under-dash fuse/relay box and the related units
 

Trouble Code: U1283



Lost Communication With Passenger's MICU

Possible Causes:



Check the PCM for DTCs and troubleshoot PCM
 
Perform the passenger's MICU input test, and do all power, ground and communication input tests. If the tests prove OK, replace the passenger's under-dash fuse/relay box
 
Loose or poor connections at passenger's under-dash fuse/relay box and the related units
 

 
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