Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY OPERATION OF THE SCREEN
NOTE:
Before performing the diagnostic test, make sure that any part of the radio bezel is not contacting the radio screen.
1. Remove the radio bezel.
2. With the scan tool, erase the DTC.
3. Wait 60 seconds.
4. With the scan tool, read DTCs.
  Is DTC: B157E-00-TOUCH SCREEN LOCKED active?
  
  Yes
  - Replace the Radio in accordance with the Service Information.
  No
  - Go to 2
CHECK RADIO BEZEL
1. Reinstall the radio bezel.
2. With the scan tool, erase the DTC.
3. Wait 60 seconds.
4. With the scan tool, read DTCs.
  Is DTC: B157E-00-TOUCH SCREEN LOCKED active?
  
  Yes
  - Replace the Radio bezel in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.