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:
Make sure the battery is fully charged.
1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.
  Does the scan tool display active B007F-13-PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - CIRCUIT OPEN DTC?
  
  Yes
  - Go To 2
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to RESTRAINTS SYSTEM INTERMITTENT TEST .
CHECK PASSENGER SEAT BELT RETRACTOR TENSIONER OPEN

Fig 1: Checking Driver Seat Belt Retractor Tensioner Circuit
Courtesy of CHRYSLER GROUP, LLC

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 Passenger Seat Belt Retractor Tensioner harness connector.
  NOTE:
  Check connectors - Clean and repair as necessary.
2. Connect the (special tool #8443A, SRS Load Tool) and the (special tool #8443-8, Jumper, SRS Load) to the Passenger Seat Belt Retractor Tensioner harness connector.
  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.
3. With the scan tool, read the ORC DTCs.
  Does the scan tool display B007EF-13-PASSENGER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - CIRCUIT OPEN DTC ?
  
  Yes
  - Go To 3
  No
  
  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.
  - Replace the Passenger Seat Belt Retractor Tensioner in accordance with the Service Information. Refer to RETRACTOR, SEAT BELT, REMOVAL .
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
CHECK (R279, R280) PASSENGER SEAT BELT RETRACTOR TENSIONER CIRCUITS FOR AN OPEN
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 (special tool #8443A, SRS Load Tool) and Jumper from the Passenger Seat Belt Retractor Tensioner harness connector.
2. Disconnect the ORC harness connectors.
  NOTE:
  Check connectors - Clean and repair as necessary.
3. Connect the (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) to the ORC C2 harness connector.
4. Measure the resistance of the (R279) Passenger Seat Belt Retractor Tensioner Line 1 circuit between the Passenger Seat Belt Retractor Tensioner harness connector cavity 2 and the (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) connector C2 cavity 44.
5. Measure the resistance of the (R280) Passenger Seat Belt Retractor Tensioner Line 2 circuit between the Passenger Seat Belt Retractor Tensioner harness connector cavity 1 and the (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) connector C2 cavity 43.
  Is the resistance below 1.0 Ohms?
  
  Yes
  
  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 the (R279, R280) Passenger Seat Belt Retractor Tensioner circuits for an open or high resistance.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .