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-12-DRIVER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - CIRCUIT SHORT TO BATTERY 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 A SHORT TO BATTERY

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-12-DRIVER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - CIRCUIT SHORT TO BATTERY 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, R278) DRIVER SEAT BELT RETRACTOR TENSIONER CIRCUITS FOR A SHORT TO BATTERY
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 (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) Adaptor to the ORC C1B 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.
4. Measure the voltage of the (R277) Driver Seat Belt Retractor Tensioner Line 1 circuit between the (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) connector C1B cavity 41 and ground.
5. Measure the voltage of the (R278) Driver Seat Belt Retractor Tensioner Line 2 circuit between the (special tool #8443-57, Adapter, Supplemental Restraint System Load Tool) connector C2 cavity 42 and ground.
  Is there any voltage present on either circuit?
  
  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.
  - Repair the Driver Seat Belt Retractor Tensioner circuits with voltage present.
  - Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Refer to RESTRAINTS-SYSTEM-VERIFICATION-TEST .
  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.
  
  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 .