2015 Chrysler 200 Occupant Classification Module: The Matched Set & Calibration Rule

Symptoms of a Failing OCS Module

When the Occupant Classification System develops a fault, the vehicle will alert you through the instrument cluster. The symptoms are clear and directly point to an issue within the airbag system.

• Airbag Warning Light: The most common symptom is an illuminated airbag warning light on your dashboard. This light indicates that a fault has been detected somewhere in the Supplemental Restraint System (SRS).
• "Service Airbag System" Message: Along with the warning light, a "Service Airbag System" message will often appear in the vehicle's information display.
• Passenger Airbag Off Light: You may notice the "Passenger Airbag Off" indicator light stays on even when an adult is seated in the passenger seat. This means the system has defaulted to a safe mode and has disabled the passenger airbag.

Common Diagnostic Trouble Codes (DTCs)

A mechanic with an OBD-II scanner capable of reading SRS codes can pull specific codes to help pinpoint the problem. Codes related to a failing OCS system include:

• B1B02 / B1B06: These codes relate to an open circuit in the airbag squib (the initiator for the airbag). While not directly for the OCM, they are part of the system and can be triggered by related faults.
• B223D: This code can indicate an internal fault within the Occupant Classification Module itself.
• B0028-13: Forum users have reported this code, which points to an open circuit in the right-side seat deployment system.

The Critical "Matched Set" and Calibration Rule

The most important thing to understand about this part is that the Occupant Classification Module (OCM) and the passenger Seat Cushion Foam (SCF) are a factory-calibrated matched set. The pressure sensor is integrated into the foam, and its unique properties are programmed into the specific OCM it was paired with at the factory. You cannot replace just the module or just the seat cushion; they must be replaced together as a complete "OCM-SCF seat service kit".

Post-Installation Programming: OCS Re-Zeroing

After installing the new, matched OCM-SCF kit, the system is not yet ready. A final, mandatory step is to perform an "OCS re-zeroing" or "Zero Seat Weight Test". This procedure must be done using a dealer-level diagnostic tool, such as Chrysler's wiTECH software. The tool tells the new module to learn the empty weight of the newly installed seat as its zero point. Without this step, the system will not function correctly and the airbag light will remain on.

Known Issues & Recalls

Safety Recall S09 / NHTSA 16V-114

In March 2016, Chrysler issued a recall for a small number of 2015 Chrysler 200 sedans (78 vehicles). The recall addressed an issue where, during previous service, a technician may have incorrectly replaced only the OCM or the seat cushion foam instead of the complete calibrated set. The fix was for dealers to install a new, complete OCM-SCF seat service kit free of charge. While the recall was small, it officially confirms the critical nature of replacing these parts as a matched pair.

Buying a Used 2015 Chrysler 200 OCS Module

Buying a used OCS module for a 2015 Chrysler 200 is not possible in the traditional sense. Because the module is calibrated to a specific seat cushion, you cannot buy just the module. You must source the module and the passenger seat cushion foam together from the same donor vehicle.

What to Look For:

• Purchase as a Set: Absolutely do not buy just the module (part number 68144655AC). You must acquire the module still attached to the passenger seat cushion it came with. The best practice is to purchase the entire passenger seat assembly.
• Verify Part Numbers: The OCM-SCF kit part number varies based on the vehicle's options (e.g., leather, cloth, heated/ventilated seats). The recall documentation lists several kit numbers like 68260866AD, 68260867AC, and 68260868AC. Ensure the seat you are buying came from a Chrysler 200 with the exact same options as yours.
• Physical Inspection: Inspect the module's electrical connector pins for any signs of corrosion or damage. Check the seat cushion for any tears, water damage, or excessive compression, as this can affect the sensor's accuracy.
• Find a Willing Shop First: Before buying the part, call your local Chrysler dealer or a trusted independent shop that has a wiTECH subscription. Confirm they are willing to install and perform the OCS re-zeroing procedure on a customer-supplied used part. Some shops may refuse to install used safety components.

Replacement Cost Comparison

The cost of replacement involves the part itself and the labor for installation and calibration. Aftermarket options are not available for this calibrated safety system.

Frequently Asked Questions (FAQ)