DTC B1926: Backup Control Antenna Open or Short

DTC (Backup Control Unit)

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 CheckBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1 and Test Mode 2 (without the HDS)Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode B - Control Unit Not CommunicatingBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - No DTCs and Output Won't Shut OFFBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode D - No DTCs and Output Won't Turn ON .

• 1. Problem verification:

  1. Clear the DTCs with the HDS.

  2. Touch the engine start/stop switch with the keyless remote. The buttons on the keyless remote should be facing you.

  3. Do this procedure 10 times: Press the engine start/stop button to select the OFF, ACCESSORY, ON, and OFF mode.

  4. Check for DTCs with the HDS.

  DTC Description	DTC
  B1926 Backup control antenna open or short

  Is DTC B1926 indicated?

  YES 

  Replace the engine start/stop switch .

  NO 

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