Code 1BA6 Occupant Classification undetermined
Code B223D Occupant Classification module DTC present
B1421 Audio CD read Error/Inoperable disk.
Above information from P Code Section of service manual available for download at 2ndgendurango.com
When I bought it a couple of months ago the air bag light was on and the sensor in the seat had to be callibrated....I wonder if they just didn't clear the codes. I will see if they come up again now that I cleared them.