Diagnostic Test
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- 1) Verify DTC B221E-RADIO INTERNAL IS ACTIVE
NOTE: If a DTC is set, erase the DTC and attempt to reset the DTC. If the DTC resets, follow test.
This is an internal radio failure
View repair
Does the DTC reset and read B221E-Radio Internal?
Repair
- Replace the Radio in accordance with the service information.
- Perform BODY VERIFICATION TEST - VER 1 .