Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read EPS DTCs and record on the vehicle repair order.
3. With the scan tool, erase the EPS DTCs.
4. Cycle the ignition from off to on.
5. With the scan tool, read the EPS DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Go To 5
CHECK FOR BODY CONTROL MODULE (BCM) DTCS
1. With the scan tool, read the BCM DTCs.
  Are there any BCM CAN Bus DTCs present?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to: BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX .
  No
  - Go To 3
CHECK FOR FORWARD FACING CAMERA MODULE (FFCM) DTCS
1. With the scan tool, read the FFCM DTCs.
  Are there any FFCM DTCs present?
  
  Yes
  - Perform the appropriate diagnostic procedure.
  No
  - Go To 4
CHECK OTHER MODULES FOR DTCS
1. With the scan tool, read DTCs.
  Are there any other modules reporting implausible communication DTCs against the FFCM?
  
  Yes
  - Replace the Forward Facing Camera Module (FFCM).
  - Perform the EPS VERIFICATION TEST. Refer to: EPS VERIFICATION TEST .
  No
  - Using the schematics as a guide, check the EPS pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Electric Power Steering (EPS) Module in accordance with the Service Information. Refer to GEAR, REMOVAL AND GEAR, INSTALLATION .
  - Perform the EPS VERIFICATION TEST. Refer to: EPS VERIFICATION TEST .
CHECK THE WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this module. Wiggle the wiring and connectors while checking for shorted and open circuits.
3. Check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
4. Check Service Bulletins for any possible causes that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the EPS VERIFICATION TEST. Refer to: EPS VERIFICATION TEST .
  No
  - Test complete.