DTC U2153: Navigation Module Internal Failure: Testing
WARNING: This page is about a different car, the 2001 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
- If navigation system diagnostic system check has been performed, go to next step. If navigation system diagnostic system check has not been performed, perform NAVIGATION SYSTEM DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Turn ignition switch to OFF position. Remove Navigation Module (NAV). Inspect installation of dealer installed VICS circuit board. Install NAV. Using scan tool, clear DTCs. Turn ignition switch to RUN position. Using scan tool, retrieve DTCs. If DTC resets, go to next step. If DTC does not reset, go to step 4 .
- Replace NAV, then go to next step.
- Using scan tool, clear DTCs. Operate vehicle within code enable criteria. If DTC resets, repeat test beginning at step 2 .
NOTE:
Ensure that dealer installed VICS board is installed into replacement NAV.