DTC B1192
DTC B1192 : Gauge control module lost communication with battery sensor ECU (LIN BUS connected)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .
| DTC Description | DTC |
|---|---|
| B1192 Gauge control module lost communication with Battery sensor ECU (LIN bus connected) |
DTC (Gauge Control Module)
- Problem verification
-1. Clear the DTCs with the HDS.
-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.
- Fuse check
-1. Check the following fuse.
Fuse No. B4 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 No. B4 fuse circuit.
- 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) mode12 volt battery sensor 2P connector: disconnected Test point 1 12 volt battery sensor 2P connector (female terminals) No. 1: Test point 2 Body ground 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.
- Open wire check (LIN (METER) line)
-1. Disconnect the following connector.
Gauge control module connector A (32P) -2. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Gauge control module connector A (32P): 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 connector A (32P) No. 23 Is there continuity?
YES
Replace the 12 volt battery sensor .
NO
An open or poor connection in the LIN (METER) wire.