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There is no light flash code #4 for the tribute. To be sure of the fault code #, I would have the codes checked with a code reader that reads body codes.
Here is a common TSB for your concern.
2001-2004 TRIBUTE - SIDE AIR BAGDIAGNOSTIC TROUBLE CODE (DTC) B1994 AND/OR B1998
2001-2004 Tribute vehicles equipped with side air bag option
Some 2001-2004 Tribute vehicles may exhibit an air bag warning lamp illuminating intermittently with DTCs B1994 (driver side, side mount air bag circuit open) and/or B1998 (passenger side, side mount air bag circuit open).
This condition may be caused by a variation in the electrical continuity at connector S367 (driver side) or S337 (passenger side) at the body harness wire terminal crimp.
A replacement Side Air Bag (SAB) Terminal Repair Kit is available to repair this concern. Refer to the instruction sheet included in the SAB Terminal Repair Kit.
Customers having this concern should have their vehicles repaired using the following procedure.
Install a SAB Terminal Repair Kit for each affected side air bag harness connector.
Before performing this repair, review all Workshop Manual safety WARNINGS and NOTES related to diagnosis and repair of the supplemental restraint system (SRS), including those discussed below. If DTCs other than those noted above are observed, consult the Workshop Manual for diagnostic procedures.