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 B007E-2B-DRIVER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - WIRES SHORTED TOGETHER DTC?
  
  Yes
  - Go To 2
  No
  - Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Refer to RESTRAINTS SYSTEM INTERMITTENT TEST .
CHECK DRIVER SEAT BELT RETRACTOR TENSIONER FOR CIRCUITS SHORT TOGETHER

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 Driver 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 Driver 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 active B007E-2B-DRIVER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - WIRES SHORTED TOGETHER 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 Driver 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 (R277) DRIVER SEAT BELT RETRACTOR TENSIONER LINE 1 CIRCUIT FOR A SHORT TO (R278) DRIVER SEAT BELT RETRACTOR TENSIONER LINE 2 CIRCUIT

Fig 2: Checking Driver Seat Belt Retractor Tensioner Line 1 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 (special tool #8443A, SRS Load Tool) and the Jumper from the Driver Seat Belt Retractor Tensioner harness connector.
2. Disconnect the ORC harness connectors.
  NOTE:
  Check connectors - Clean and repair as necessary.
3. Connect the SRS Load Tool (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) to the ORC C2 harness connector.
4. Measure the resistance between the (R277) Driver Seat Belt Retractor Tensioner Line 1 circuit cavity 2 and the (R278) Driver Seat Belt Retractor Tensioner Line 2 circuit cavity 1 at the Driver Seat Belt Retractor Tensioner harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (R277) Driver Seat Belt Retractor Tensioner Line 1 circuit for a short to the (R278) Driver Seat Belt Retractor Tensioner Line 2 circuit.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
  No
  
  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 .