Gforce65

Does anyone have clarification on the above code? My dash says impact sensor.

I know this is a generic code and my scanner says;

Second Row Center (I have bucket in 2nd row)
Seatbelt Load Limiter
Deployment Control
(Subfault)

in2pro

Year ? Make? Model? Engine?



DTC B0083 or B0084

DIAGNOSTIC INSTRUCTIONS
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. See: Testing and Inspection\Initial Inspection and Diagnostic Overview
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides and overview of each diagnostic category.
DTC DESCRIPTORS

DTC B0083 00
Front End Sensor 1 No Additional Information (Left)

DTC B0083 39
Front End Sensor 1 Internal Electronic Failure (Left)

DTC B0083 0F
Front End Sensor 1 Incorrect Component Installed (Left)

DTC B0083 3A
Front End Sensor 1 Invalid Serial Data Received (Left)

DTC B0084 00
Front End Sensor 2 No Additional Information (Right)

DTC B0084 39
Front End Sensor 2 Internal Electronic Failure (Right)

DTC B0084 0F
Front End Sensor 2 Incorrect Component Installed (Right)

DTC B0084 3A
Front End Sensor 2 Invalid Serial Data Received (Right)

CIRCUIT/SYSTEM DESCRIPTION
The inflatable restraint front end sensor utilizes a unidirectional 2-wire circuit. The front end sensor modulates current on the interface to send ID, state of health, and deployment commands to the inflatable restraint sensing and diagnostic module (SDM). The SDM serves as a power source and a ground for the front end sensor. When the ignition is turned ON and input power from the SDM is first detected, the front end sensor responds by performing internal diagnostics and sending an ID to the SDM. The SDM considers the ID to be valid if the response time is less than 5 seconds . The front end sensor continually communicates status messages to the SDM, which determines if a fault is present in the front end sensor circuit. When a fault is detected, the SDM may reset the front end sensor up to 2 times by removing and reapplying power to it. If the fault is still present, the SDM will set a DTC.

CONDITIONS FOR RUNNING THE DTC
Ignition voltage is between 9-16 volts .

CONDITIONS FOR SETTING THE DTC

B0083 00 or B0084 00
The front end sensor has been shorted to voltage, open, or shorted to ground.
The front end sensor current has been above 23 mA for longer than 5 milliseconds .
The SDM has not received a message from the front end sensor for more than 375 milliseconds .
B0083 39 or B0084 39
The SDM has received a NOK message from the front end sensor.
The SDM has not received a message.
The SDM has received invalid serial data from the front end sensor.
B0083 0F or B0084 0F
The SDM has received erratic messages from the front end sensor.

B0083 3A or B0084 3A
The SDM has received an ID message from the front end sensor, which does not match the ID stored in the SDM memory.
The SDM has reset the front end sensor twice without detecting the correct ID message.
ACTION TAKEN WHEN THE DTC SETS
The SDM commands the AIR BAG indicator ON via serial data communications.
The frontal SIR System is disabled and no frontal deployments are allowed. Side deployments and rollover detection is still enabled
CONDITIONS FOR CLEARING THE DTC
The condition responsible for setting the DTC no longer exists and the scan tool Clear DTCs function is used.
A history DTC will clear once 100 malfunction-free ignition cycles have occurred.
CIRCUIT/SYSTEM TESTING

IMPORTANT: When removing connectors, inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected component/connector:
The front end sensor
The SDM module
The front end sensor wiring harness connector
The SDM wiring harness connector
Ignition ON, if DTC B0083 is current, disconnect the front end sensor - left connector. If DTC B0084 is current, disconnect the front end sensor - right connector.
Remove the SDM connector.
Test the signal and voltage circuits between the SDM and front end sensor for a short to voltage, short to ground, or open/low resistance. Verify that a short to voltage, short to ground, or open/low resistance does not exist.
If any of the above conditions are found, make the appropriate repair.
Reconnect all SIR components. With the ignition ON, use the scan tool to clear the DTCs then recheck for DTCs.
If DTC B0083 was current, replace the front end sensor - left. If DTC B0084 was current, replace the front end sensor - right.
REPAIR INSTRUCTIONS
Inflatable Restraint Front End Sensor Replacement
Control Module References for SDM replacement, setup, and programming See: Testing and Inspection\Programming and Relearning
REPAIR VERIFICATION
Ignition ON, use the scan tool to clear the DTCs, then recheck for DTCs.
If DTC B0083 or B0084 was current, replace the SDM.

tech2

swap the left and right sensor. clear the dtc and if the new code follows the sensor...replace the sensor.

Gforce65

2007, Chevy, Sub, 5.3