Honda Cars 2007-2008

3.0L V6 VIN - Std 2

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Trouble Code: B1158



Gauge Control Module Lost Communication with Relay Control Module (RM Message)

Possible Causes:



Loose or poor connections between the Gauge Control Module and the Relay Control Module
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
"Open" or "Short" to ground at the Gauge Control Module
 
"Open" or "Short" to ground at the Relay Control Module
 
Faulty Gauge Control Module
 
Faulty Relay Control Module
 

Trouble Code: B1159



Gauge Control Module Lost Communication with MICU (DOORSW Message)

Possible Causes:



Loose or poor connections between the Gauge Control Module and the MICU
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
"Open" or "Short" to ground at the Gauge Control Module
 
"Open" or "Short" to ground at the MICU
 
Faulty Gauge Control Module
 
Faulty MICU
 

Trouble Code: B1160



Gauge Control Module Lost Communication with Door Multiplex Control Unit (Door Lock Switch Message)

Possible Causes:



Poor connections between the gauge control module, and the door multiplex control unit
 
Perform the door multiplex control unit input test
 
Perform the gauge control module input test
 
"Open" or "Short" between the gauge control module, and the door multiplex control unit
 
Fauty grounds
 
Faulty door multiplex control unit, replace the power window master switch
 
Faulty gauge control module
 

Trouble Code: B1168



Gauge Control Module Lost Communication with PCM (ENG Message)

Possible Causes:



Check any additional Fuel and Emissions Systems DTCs first., then recheck
 
Loose or poor connection between the Gauge Control Module and the PCM
 
"Open" or "Short" between Gauge Control Module and PCM
 
Update the PCM if it does not have the latest software
 
Faulty PCM
 
Faulty Gauge Control Module
 

Trouble Code: B1169



Gauge Control Module Lost Communication with the PCM (A/T Message)

Possible Causes:



Check for any Fuel and Emissions Systems DTCs first, then retest
 
Loose or poor connection between the Gauge Control Module and the PCM
 
"Open" or "Short" between Gauge Control Module and PCM
 
Update the PCM if it does not have the latest software.
 
Faulty Gauge Control Module
 
Faulty PCM
 

Trouble Code: B1175



Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Open

Possible Causes:



Loose or poor connections between the Gauge Control Module and the Fuel Tank Unit
 



Faulty Fuel Gauge Sending Unit
 
Gauge Control Module
 

Trouble Code: B1177



Battery Voltage Abnormal

Possible Causes:



The battery needs a recharge or replacement, or the charging system has a malfuntion
 
"Open" or "High" resistance in the IG1 line between the ignition switch and the Gauge Control Module
 
Faulty Gauge Control Module
 

Trouble Code: B1178



F-CAN Communication Line Error

Possible Causes:



Check for Fuel and Emissions Systems DTCs first, then retest
 
Loose or poor connection between the Gauge Control Module and the PCM
 
"Open" or "Short" between Gauge Control Module and the PCM
 
Update the PCM if it does not have the latest software
 
Faulty Gauge Control Module
 
Faulty PCM
 

Trouble Code: B1200



Communication Bus Line Error

Possible Causes:



Loose or poor connections at the MICU and B-CAN connected units
 
Faulty Audio-HVAC display module
 

Trouble Code: B1202



Climate Control Unit Internal Error

Possible Causes:



Check the battery condition and the charging system
 
Perform the HVAC self-diagnostic function with the HDS
 
Faulty Climate Control Unit
 

Trouble Code: B1205



Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)

Possible Causes:



Loose wires or poor connections at the Climate Control Unit
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
-Open" or -Short- Condition between the Climate Control Unit and the Gauge Control Module
 
Poor Ground condition at the Climate Control Unit
 
Faulty Climate Control Unit
 
Faulty Gauge Control Module
 

Trouble Code: B1206



Climate Control Unit Lost Communication with Gauge Control Module (ECT message)

Possible Causes:



Loose wires or poor connections on the Climate Control Unit connector A
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
-Open" or -Short- Condition between the Climate Control Unit and the Gauge Control Module
 
Poor Ground condition at the Climate Control Unit
 
Faulty Climate Control Unit
 
Faulty Gauge Control Module
 

Trouble Code: B1207



Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message)

Possible Causes:



Loose wires or poor connections on the Climate Control Unit connector A
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
-Open" or -Short- Condition between the Climate Control Unit and the Gauge Control Module
 
Poor Ground condition at the Climate Control Unit
 
Faulty Climate Control Unit
 
Faulty Gauge Control Module
 

Trouble Code: B1225



Open in the In-car Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
Loose wires or poor connections on the in-car temperature sensor circuit
 
"Open" circuit between the Climate Control Unit and the in-car temperature sensor
 
Faulty In-car Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1226



Short in the In-car Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Short" in the wires between the Climate Control Unit and the in-car temperature sensor
 
Faulty In-car Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1227



Open in the Outside Air Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
Loose wires or poor connections on the outside air temperature sensor circuit
 
"Open" circuit between the Climate Control Unit and the outside air temperature sensor
 
Fauty Outside Air Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1228



Short in the Outside Air Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Short" in the wires between the Climate Control Unit and the outside air temperature sensor
 
Faulty Outside Air Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1229



Open in the Sunlight Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
("Open") in the wires between the Climate Control Unit and the Sunlight Sensor
 
Faulty Sunlight Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1230



Short in the Sunlight Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Short" in the wires between the Climate Control Unit and the Sunlight Sensor
 
Faulty Sunlight Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1231



Open in the Evaporator Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Open" in the wires between the Climate Control Unit and the Front Evaporator Temperature Sensor
 
Faulty Evaporator Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1232



Short in the Evaporator Temperature Sensor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Short" in the wires between the Climate Control Unit and the Evaporator Temperature Sensor
 
Faulty Evaporator Temperature Sensor
 
Faulty Climate Control Unit
 

Trouble Code: B1233



Open in the Driver's Air Mix Control Motor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Open" in the wires between the Climate Control Unit and the Driver's Air Mix Control Motor
 
Faulty Driver's Air Mix Control Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1234



A Short in the Driver's Air Mix Control Motor Circuit

Possible Causes:



Loose wires or poor connections on the driver's air mix control motor circuit
 
"Short" to body ground in the wire(s) between the climate control unit and the driver's air mix control motor
 
"Short" to power in the wire(s) between the climate control unit and the driver's air mix control motor
 
Faulty driver's air mix control motor
 
Faulty climate control unit
 

Trouble Code: B1235



Problem in the Driver's Air Mix Control Linkage, Door, or Motor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
Loose wires or poor connections on the Driver's Air Mix Control Motor circuit
 
Driver's air mix control linkage or door
 
"Open" in the wires between the Climate Control Unit and the Driver's Air Mix Control Motor
 
Faulty Driver's Air Mix Control Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1236



Open in the Passenger's Air Mix Control Motor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
Loose wires or poor connections on the Passenger's Air Mix Control Motor
 
"Open" in the wires between the Climate Control Unit and the Passenger's Air Mix Control Motor
 
Faulty Passenger's Air Mix Control Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1237



Short in the Passenger's Air Mix Control Motor Circuit

Possible Causes:



Perform the HVAC self-diagnostic function with the HDS
 
"Short" in the wires between the Climate Control Unit and the Passenger's Air Mix Control Motor
 
Faulty Passenger's Air Mix Control Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1238



A Problem in the Passenger's Air Mix Control Linkage, Door, or Motor

Possible Causes:



Perform the climate control self-diagnostic with the HDS or the climate control unit
 
Faulty passenger's air mix control motor and/or air mix control linkage and the door
 
Faulty climate control unit
 

Trouble Code: B1239



Open or Short in the Drivers Mode Control Motor Circuit

Possible Causes:



Loose wires or poor connections on the Drivers Mode Control Motor circuit
 
Perform the HVAC self-diagnostic function with the HDS
 
"Short or "Open" in the wires between the Climate Control Unit and the Drivers Mode Control Motor
 
Faulty Drivers Mode Control Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1241



Problem in the Blower Motor Circuit

Possible Causes:



Loose wires or poor connections on the front blower motor circuit
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
"Open" or "Short" in the wire(s) between the Climate Control Unit and the Power Transistor
 
"Short" in the wire(s) between the Climate Control Unit and the Blower Motor
 
Faulty Power Transistor
 
Faulty Blower Motor
 
Faulty Climate Control Unit
 

Trouble Code: B1250



Communication Bus Line Error (BUS OFF)

Possible Causes:



Loose or poor connections at combination switch control unit connector and at under-dash fuse/relay box connector
 
Combination switch control unit
 

Trouble Code: B1251



Combination Switch Control unit Internal Error

Possible Causes:



Loose or poor connections. If the connections are good, check the battery condition and the charging system
 
Faulty combination switch control unit; replace the wiper/washer switch
 

Trouble Code: B1255



Combination Switch Control Unit Lost Communication with MICU (MICU Message)

Possible Causes:



Loose or poor connections between the Combination Switch Control Unit and the MICU
 
Blown fuse in the main under-hood fuse box
 
Blown fuse in the under-dash fuse/relay box
 
"Open" or "Short" to ground at the Combination Control Unit
 
"Open" or "Short" to ground at the MICU
 
Faulty MICU
 
Faulty Combination Control Unit
 

Trouble Code: B1275



Headlight OFF Position Circuit Malfunction

Possible Causes:



"Open" or "Short" between driver's under-dash fuse/relay box and the combination light switch
 
Faulty driver's MICU; replace the driver's under-dash fuse/relay box
 
Faulty combination light switch
 

Trouble Code: B1276



Combination Light Switch Parking (SMALL) Position Circuit Malfunction

Possible Causes:



Loose or poor connections
 
"Open" or "short" in the combination light switch terminals
 
Faulty combination switch control unit, replace the wiper/washer switch
 
Faulty Combination Light Switch
 

Trouble Code: B1277



Headlight AUTO Position Circuit Malfunction

Possible Causes:



"Open" or "Short" between driver's under-dash fuse/relay box and the combination light switch
 
Faulty driver's MICU; replace the driver's under-dash fuse/relay box
 
Faulty combination light switch
 

Trouble Code: B1278



Headlight Switch ON Position Circuit Malfunction

Possible Causes:



Loose or poor connections
 
"Open" or "short" in the combination light switch terminals
 
Faulty combination switch control unit, replace the wiper/washer switch
 
Faulty Combination Light Switch
 

Trouble Code: B1279



Headlight Switch DIMMER Position Circuit Malfunction

Possible Causes:



Loose or poor connections
 
"Open" or "Short" in the combination light switch terminals
 
Faulty Combination Switch Control Unit, replace the wiper/washer switch.
 
Faulty Combination Light Switch
 

Trouble Code: B1280



Turn Signal Switch Circuit Malfunction

Possible Causes:



Loose or poor connections at the turn signal switch
 
"Open" or "short" in the turn signal switch
 
Faulty combination switch control unit, replace the wiper/washer switch
 
Faulty Combination Light Switch
 

Trouble Code: B1281



Windshield Wiper Switch MIST Position Circuit Malfunction

Possible Causes:



Loose or poor connections
 
Faulty Wiper/Washer switch
 

Trouble Code: B1282



Windshield Wiper Switch INT (AUTO) Position Circuit Malfunction

Possible Causes:



Loose or poor connections
 
Faulty Wiper/Washer switch
 

 
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