DTC B1192 (2017 2018 2019)

DTC B1192  : Gauge control module lost communication with battery sensor ECU (LIN BUS connected)

DTC (Gauge Control Module)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

1. Problem verification

   -1. Clear the DTCs with the HDS.

   Clear DTCs

   -2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.

   -3. Wait for at least 4 seconds.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1192 Gauge control module lost communication with battery sensor ECU (LIN BUS connected)

   Is DTC B1192 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for loose or poor connections.

2. Fuse check

   -1. Check the following fuse.

   Fuse	No. B4 (7.5 A)
   Location	Auxiliary under-hood fuse/relay box

   Is the fuse OK?

   YES 

   Go to step 3.

   NO 

   Replace the fuse. If the fuse blows again, repair a short to ground in the +B BMS wire.

3. Open wire check (+B BMS line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   12 volt battery sensor 2P connector

   -3. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode 12 volt battery sensor 2P connector: disconnected
   Test point 1	12 volt battery sensor 2P connector (female terminals) No. 1:
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there battery voltage?

   YES 

   The +B BMS wire is OK. Go to step 4.

   NO 

   Repair an open or high resistance in the wire.

4. Open wire check (LIN(METER) line)

   -1. Disconnect the following connector.

   Gauge control module 32P connector

   -2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode Gauge control module 32P connector: disconnected 12 volt battery sensor 2P connector: disconnected
   Test point 1	12 volt battery sensor 2P connector (female terminals) No. 2:
   Test point 2	Gauge control module 32P connector No. 23

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Replace the 12 volt battery sensor .

   NO 

   An open or poor connection in the wire.