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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0016, B0018, B0023, or B0025: Roof Rail Air Bag Deployment Loop >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Refer to 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.
    • Roof rail air bag
    • Roof rail air bag wiring harness connector
    • Inflatable restraint sensing and diagnostic module
    • Inflatable restraint sensing and diagnostic 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.
  • If the condition is intermittent or cannot be duplicated, disconnect the connectors and add dielectric grease / lubricant (Nyogel 760G or equivalent, meeting GM specification 9986087). This procedure will correct the high resistance condition due to terminal fretting corrosion.
  1. Verify DTC B0016 or B0023 is only set as a history DTC.
    • If the DTC is set as current 

      Refer to Circuit/System Testing.

    • If the DTC is set as history 
  2. Verify DTC B0016 or B0023 is only set as a history DTC while moving the harness near each connector listed below:
    • F105L Roof Rail Air Bag - Left
    • F105R Roof Rail Air Bag - Right
    • Any inline harness connector
    • K36 inflatable restraint sensing and diagnostic module
    • If the DTC is set as current while moving the harness, perform the following 
    • Inspect each connector terminal for damage or corrosion and repair as necessary
    • Apply dielectric grease / lubricant (Nyogel 760G or equivalent, meeting GM specification 9986087) to each connector terminal
    • Ensure each connector and CPA is correctly seated
    • If the DTC is set as history 
  3. All OK.
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