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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2007RAINIER AWD L6-4.2LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2007 Buick Rainier AWD L6-4.2L
Scan Tool Data Definitions
2007 Buick Rainier AWD L6-4.2LSECTION Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
The Driver Door Module (DDM) and Passenger Door Module (PDM) scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data display for the DDM/PDM.
Base Software P/N: This is the part number stored within the DDM/PDM of the base software set required to activate the PDM. This software set is often referred to as boot software.
Base Software Suffix: This suffix number is the stored indication of the revision level of the base software.
Battery 1 (Low Current): The battery 1 (low current) parameter provides the voltage level on the battery 1 input. Battery 1 is the low current input provides the power for the DDM/PDM's microprocessors and the low current outputs.
Battery 2 (High Current): The battery 2 (high current) parameter provides the voltage level on the battery 2 input. Battery 2 is the high current input provides the power for the DDM/PDM's high current outputs.
Calibration P/N: This is the part number stored within the DDM/PDM of the calibration set. The calibration software sets the operational ranges and option levels for each of the DDM/PDM's functions. This software set is often referred to as calibration software or calibration.
Calibration Suffix: This suffix number is the stored indication of the revision level of the calibration. This is often referred to as the CAL ID.
Door Ajar Switch: This parameter reflects the current status of the door ajar switch input to the DDM/PDM.
Door Lock Motor: This parameter indicates the current status of the door lock motor.
Door Lock Switch: This parameter indicates the current status of the door lock switch.
Program Software P/N: This is the part number stored indication of the revision level of the program software.
Program Software Suffix: This suffix number is the stored indication of the revision level of the program software.
The Body Control Module (BCM) scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data display for the BCM.
Left Rear Door Ajar Sw.: This parameter indicates the current status of the left rear door ajar switch.
Right Rear Door Ajar Sw.: This parameter indicates the current status of the right rear door ajar switch.
Rear Doors Lock: This parameter indicates the commanded state of the rear door lock relay.
Rear Doors Unlock: This parameter indicates the commanded state of the rear door unlock relay.
The Liftgate Module scan tool data definitions are a brief description of each of the vehicle access related parameters displayed within the scan tool data display for the Liftgate Module.
Liftgate Ajar Switch: This parameter indicates the current status of the liftgate ajar switch.
Lift Glass Ajar Switch: This parameter indicates the current status of the lift glass ajar switch.
Lock Command: The scan tool displays the LGM output state to the lock actuator as Idle/Unlock/Lock.
Requested Lock/Unlock: The scan tool displays the Lock/Unlock input to the LGM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.