Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

SIR Service Precautions
Inspect all terminals for damage or corrosion when disconnecting connectors. Damage or corrosion in the following requires repair or replacement of the affected component/connector.
- Impact sensor
- Restraints Control Module
- Restraints Control Module wiring harness connector
The connector and connector position assurance (CPA) may seat independent of each other. Both the connector and CPA should seat with an audible and/or tactile click. The CPA isolates the shorting-bars within the connector allowing the deployment circuit to operate properly.

Ignition ON.
Verify that DTC B0090 - B0097 symptom byte 49 or 4A is not set as current.
- If DTC B0090 - B0096 symptom byte 49 or 4A is set as current
  Replace the sensor listed below:
- B0090 - B59L Front Impact Sensor-Left
- B0091 - B63LF Side Impact Sensor-Left Front
- B0092 - B63LM Side Impact Sensor-Left Middle
- B0095 - B59R Front Impact Sensor-Right
- B0096 - B63RF Side Impact Sensor-Right Front
- Go to next step: If DTC B0090 - B0096 symptom byte 49 or 4A is not set as current
Verify that DTC B0090 - B0096 symptom byte 49 or 4A is not set as current.
- If DTC B0090 - B0096 symptom byte 4A is set as current
  Replace the incorrect Impact Sensor.
- Go to next step: If DTC B0090 - B0096 symptom byte 4A is not set as current
Verify that DTC B0090 - B0096 symptom byte 49 or 4A not set as current.
- Go to next step: If DTC B0095 or B0096 symptom byte 49 or 4a is not set as current.
All OK.