Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DTC IS ACTIVE
1. Using the scan tool, read the DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Refer to NO RESPONSE FROM ORC (OCCUPANT RESTRAINT CONTROLLER) and perform the No Response from ORC diagnostic procedure.
VERIFY THAT THE OCCUPANT RESTRAINT CONTROLLER (ORC) IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. Using the scan tool, select Network Diagnostics.
3. Verify that the ORC is active on the bus.
  Is the ORC active on the bus?
  
  Yes
  - Go To 3
  No
  - Perform the U0151-87 Lost Communication with ORC diagnostic procedure. Refer to U0151-87-LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC) - MISSING MESSAGE .
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
WARNING:
To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbag, seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.
1. Replace the Anti-Lock Brakes System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL .
2. Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
3. Using the scan tool, read ABS DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Occupant Restraint Controller (ORC) in accordance with the Service Information. (Refer to REMOVAL, ORC ).
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Test complete.