Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY ACTIVE DTC
NOTE:
Ensure the battery is fully charged.
1. Turn the ignition on.
2. With the scan tool, read ORC DTC.
  Does the scan tool display active B0050-13-DRIVER SEATBELT SENSOR - CIRCUIT OPEN DTC?
  
  Yes
  - Go To 2
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to RESTRAINTS SYSTEM INTERMITTENT TEST .
VERIFY WIRING
WARNING:
Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
1. Disconnect the Driver Seat Belt Buckle Switch harness connector.
2. Disconnect the ORC harness connectors.
  NOTE:
  Check connectors - Clean and repair as necessary.
3. Connect the SRS Load Tool Adapter (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) to the ORC C2 harness connector.
4. Measure the resistance of the (R57) Driver Seat Belt Buckle Switch Sense circuit between the Driver Seat Belt Buckle Switch harness connector cavity 1 and the SRS Load Tool Adapter (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) cavity 20.
5. Measure the resistance of the (R59) Driver Seat Belt Buckle Switch Ground circuit between the Driver Seat Belt Buckle Switch harness connector cavity 2 and SRS Load Tool Adapter (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) cavity 19.
  Is the resistance greater than 1.0 Ohms on any of these circuits?
  
  Yes
  - Repair the (R57, R59) Driver Seat Belt Buckle Switch circuits for an open.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
  No
  - Go To 3
VERIFY OPEN SWITCH
1. Replace the Driver Seat Belt Buckle Switch.
2. Reconnect the vehicle body harness connector to the Driver Seat Belt Buckle Switch.
3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
  WARNING:
  Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
4. Connect the scan tool to the Data Link Connector - use the most current software available.
5. Use the scan tool and erase the stored DTCs.
6. Turn the Ignition OFF, and wait 15 seconds before turning the Ignition ON.
7. Wait one minute, and read active DTCs and if there are none present read the stored DTCs.
  Does the scan tool display active B0050-13-DRIVER SEATBELT SENSOR - CIRCUIT OPEN DTC?
  
  Yes
  
  WARNING:
  Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  WARNING:
  If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.
  - Replace the ORC module according to the Service Information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER, REMOVAL .
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
  No
  - Repair is complete.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .