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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 453 (Supplemental Restraint System) >> Diagnosis And Testing >> Airbag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Pinpoint Test - Restraints Control Module (RCM) >> Pinpoint Test S: DTCs B0001:2B, B0002:2B, B0010:2B, B0011:2B, B0020:2B, B0028:2B, B0050:2B, B0052:2B, B00B5:2B, B00C5:2B, B1211:2B and B1214:2B >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The Restraints Control Module (RCM) monitors all deployable device and sensor circuits for a signal cross coupled (short) between circuits. If the RCM detects a short between the circuits of one device and another device, it will store a DTC for each of the signal cross coupled faults in memory. The RCM sends a message to the Instrument Panel Cluster (IPC) to illuminate the air bag warning indicator. When a normal loop fault is present (one loop is either shorted to battery/ground, open circuit or low resistance), then signal cross coupled diagnostics will not be active. Once the normal loop fault is repaired, then the signal cross coupled diagnostics will resume.

DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Condition
  • B0001:2B - Driver Frontal Stage 1 Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the driver air bag Stage 1 circuits and the circuits of another Supplemental Restraint System (SRS) component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0002:2B - Driver Frontal Stage 2 Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the driver air bag Stage 2 circuits and the circuits of another Supplemental Restraint System (SRS) component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0010:2B - Passenger Frontal Stage 1 Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the driver air bag Stage 1 circuits and the circuits of another Supplemental Restraint System (SRS) component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0011:2B - Passenger Frontal Stage 2 Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the driver air bag Stage 2 circuits and the circuits of another Supplemental Restraint System (SRS) component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0020:2B - Left Side Airbag Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the left side air bag circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0028:2B - Right Side Airbag Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the right side air bag circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0050:2B - Driver Seatbelt Sensor: Signal Cross Coupled
 If the RCM detects a short between the driver safety belt sensor circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B0052:2B - Passenger Seatbelt Sensor: Signal Cross Coupled
 If the RCM detects a short between the passenger safety belt sensor circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B00B5:2B - Driver Seat Track Position Restraints Sensor: Signal Cross Coupled
 If the RCM detects a short between the driver seat track position sensor circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B00C5:2B - Passenger Seat Track Position Restraints Sensor: Signal Cross Coupled
 If the RCM detects a short between the passenger seat track position sensor circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B1211:2B - Driver Seatbelt Retractor Pretensioner Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the driver safety belt retractor pretensioner circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.
  • B1214:2B - Passenger Seatbelt Retractor Pretensioner Deployment Control: Signal Cross Coupled
 If the RCM detects a short between the passenger safety belt retractor pretensioner circuits and the circuits of another SRS component, it will set this DTC and the DTC of the corresponding SRS component.

This pinpoint test is intended to diagnose the following: 

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