U0121-Lost Communication With Anti-Lock Brake Module Also Set

With a scan tool, read DTCs.
Is the DTC U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE also set?

Yes
- Perform the diagnostic procedure for U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE.
- Perform the AWD Control Module VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, All Wheel Drive (AWD) - Standard Procedure .
No
- Replace the AWD Control Module in accordance with the Service information.
- Perform the AWD Control Module VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, All Wheel Drive (AWD) - Standard Procedure .