Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
DTC B0090 00 Rollover Sensor No Additional Information
DTC B0090 0F Rollover Sensor Erratic
DTC B0090 3A Rollover Sensor Incorrect Component Installed
DTC B0090 39 Rollover Sensor Internal Electronic Failure
DTC B0090 71 Rollover Sensor Invalid Serial Data Received
The cost to diagnose the B0090 Chevrolet code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Inflatable Restraint Vehicle Rollover Sensor (ROS) utilizes battery power supply and a bidirectional interface circuit. The ROS modulates current on the interface to send ID, State of Health, and deployment commands to the Inflatable Restraint Sensing and Diagnostic Module (SDM). When the ignition is turned on the ROS responds by performing internal diagnostics and sending an ID to the SDM. The ROS continually communicates status messages to the SDM, which determines if a fault is present in the ROS circuit. If the fault is present, the SDM will set a Diagnostic Trouble Code (DTC).
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