DTC B00B5-11, B00B5-2B (2017 2018 2019 2020)

DTC B00B5-11  : Short or Decreased Resistance in the Driver's Seat Position Sensor DTC B00B5-2B  : Short to Another Wire Harness in the Driver's Seat Position Sensor

NOTE: Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components of the correct part number and were properly installed .
• Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and Battery Terminal Disconnection and Reconnection. - Refer to: Battery Terminal Disconnection and Reconnection (2016 2017 2018 2019 2020) .

DTC (SRS)

1. Problem verification

   -1. Raise the driver's seat all the way up, and position all the way rearward.

   - 2. Clear the DTCs with the HDS.

   - 3. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC
   B00B5-11 Short or decreased resistance in the driver's seat position sensor
   B00B5-2B Short to another wire harness in the driver's seat position sensor

   Is DTC B00B5-11 or DTC B00B5-2B indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.

2. Driver's seat position sensor check

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

   - 2. Disconnect the following connector.

   Driver's seat position sensor 2P connector (on the driver's seat wire harness)

   - 3. Clear the DTCs with the HDS.

   - 4. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 5. Check for DTCs with the HDS.

   DTC Description	DTC
   B00B5-11 Short or decreased resistance in the driver's seat position sensor
   B00B5-2B Short to another wire harness in the driver's seat position sensor

   Is DTC B00B5-11 or DTC B00B5-2B indicated?

   YES 

   Go to step 3.

   NO 

   Replace the driver's seat position sensor , then clear the DTC.

3. Shorted wire check (SPS+ line)

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

   - 2. Disconnect the negative cable from the Battery, then wait at least 3 minutes.

   - 3. Disconnect the following connector.

   SRS unit connector B (39P)

   - 4. Measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's seat position sensor 2P connector (on the driver's seat wire harness): disconnected
   	SRS unit connector B (39P): disconnected
   Test point 1	SRS unit connector B (39P) No. 11 - Refer to: SRS Unit Connector for Inputs and Outputs (2017 2018 2019 2020)

   Test point 2

   Body ground

   Is there an open circuit, or at least 1 MΩ?

   YES 

   The SPS+ wire is OK. Replace the driver's seat position sensor , then clear the DTC, and retest. If the DTC is still present, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or replace the SRS unit - Refer to: SRS Unit Removal and Installation (2017 2018 2019 2020), .

   NO 

   Short to ground in the floor wire harness or the driver's seat wire harness; replace the faulty harness, then clear the DTC.