Cobalt L4-2.2L (2008)
If PPS DTC 23 is in History, Perform the Following Steps
1. Connect the Diagnostic Scan Tool.
2. Locate the Passenger Side Belt Tension Sensor (BTS) and rotate the seat belt sleeve fully as shown in Figure 3.Figure 3 - Rotating the Seat Belt
Sleeve
Passenger Seat Belt Sleeve
BTS Sensor Wire Sheath
3. Slowly rotate the BTS w/sleeve forward and rearward. Did PPS and SDM faults change to current and cause the Air Bag light to illuminate? If the
DTC changed to current, replace Seat Belt retractor using "Seat Belt Installation and Seatbelt Sleeve Modification" instructions located below.
Figure 4 - BTS Wires
4. Move wires (1) near the BTS paying close attention near the area that is around the bottom of sleeve. Did PPS and SDM faults change to current
and cause the Air Bag light to illuminate? If DTC changed to current, replace Seat Belt Retractor using "Seat Belt Installation and Seatbelt Sleeve
Modification" as shown in the next section.
5. Check for shorts, opens and continuity between the PPS module and belt tension sensor (BTS) mating connector that is part of the vehicle harness
(Located under the passenger rear trim panel near the rear seat cushion).
6. Clear the codes.
7. Verify that the DTC does not reset.
Seat Belt Retractor Pretensioner Installation and Sleeve Modification
1. Remove the rear passenger quarter trim panel and rear seat cushion. Refer to Rear Quarter Panel Trim Removal in SI.
Figure 5 - BTS Connector
2. Locate the BTS connector (1) located under the trim panel.
3. Remove the tape from the connector securing the connector to the wire loom.
4. Refer to Seat Belt Retractor Pretensioner Replacement - Front (Coupe) in SI for removal and discarding instructions.
Important
DO NOT retape the BTS connector (retainer is located 200 mm (8 in) rearward of the connector) to the harness. DO NOT re-install the
BTS to body retainer (refer to Figure 6).
Figure 6 - BTS Harness Retainer