DTC : B264B

DTC B264B  : Indicator Circuit Short to Ground

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .

DTC (Parking and Back-Up Sensor Control Unit)

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 6 seconds.

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC
   B264B Indicator circuit short to ground

   Is DTC B264B indicated?

   YES 

   Go to step 2.

   NO 

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

2. Parking and back-up sensor switch check

   - 1. Do the Parking And Back-Up Sensor Switch test.

   Is the parking and back-up sensor switch OK?

   YES 

   Go to step 3.

   NO 

   Replace the Parking and Back-Up Sensor Switch .

3. Shorted wire check (SW IND line)

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

   - 2. Disconnect the following connectors.

   Parking and back-up sensor control unit 16P connector Parking and back-up sensor switch 10P connector*1 Parking and back-up sensor switch 6P connector*2 *1: With heated windshield wiper area *2: Without heated windshield wiper area

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

   Test condition	Vehicle OFF (LOCK) mode Parking and back-up sensor control unit 16P connector: disconnected Parking and back-up sensor switch 10P connector*1: disconnected Parking and back-up sensor switch 6P connector*2: disconnected *1: With heated windshield wiper area *2: Without heated windshield wiper area
   Test point 1	Parking and back-up sensor control unit 16P connector No. 5 - Refer to: Parking and Back-Up Sensor Control Unit Connector for Inputs and Outputs (2016 2017 2018) or Parking and Back-Up Sensor Control Unit Connector for Inputs and Outputs (2019 2020 2021) .
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short to ground in the wire.

   NO 

   Go to step 4.

4. Open wire check (SW IND line)

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

   Test condition	Vehicle OFF (LOCK) mode Parking and back-up sensor control unit 16P connector: disconnected Parking and back-up sensor switch 10P connector*1: disconnected Parking and back-up sensor switch 6P connector*2: disconnected
   Test point 1	Parking and back-up sensor control unit 16P connector No. 5 - Refer to: Parking and Back-Up Sensor Control Unit Connector for Inputs and Outputs (2016 2017 2018) or Parking and Back-Up Sensor Control Unit Connector for Inputs and Outputs (2019 2020 2021) .
   Test point 2	Parking and back-up sensor switch 10P connector (female terminals) No. 1*1: (1) Parking and back-up sensor switch 6P connector (female terminals) No. 3*2: (2) *1: With heated windshield wiper area *2: Without heated windshield wiper area

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

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

   Is there continuity?

   YES 

   Replace the Parking and Back-Up Sensor Control Unit .

   NO 

   Repair an open in the wire.