GM Service Manual Online
For 1990-2009 cars only
8-Digit GM Part Number: The scan tool displays the part number for the Door Module (DDSA, DDM, IPM, PDM, RIM, LRDM, or RRDM).

Accessory LED Duty Cycle: The scan tool displays a percentage.

Ambient Light Sensor Status: The scan tool displays Dark or Light. The ambient light status.

Ambient Light Sensor: The scan tool displays voltage. The status of the ambient light sensor supply 0-5 volts.

Ambient Light Status: The scan tool displays Night or Day. This is the status of the ambient light sensor.

Backup Lamp Relay Command: The scan tool displays Off or ON. The commanded state of the backup lamp relay.

Battery Voltage Signal: The scan tool displays 0 to 25.0 volts. This is the current battery voltage level.

BPPS High During Learn: The scan tool displays No or Yes.

BPPS Learned Home Position: The scan tool displays voltage. The brake pedal position sensor learned home value of 0-5 volts.

BPPS Low During Learn: The scan tool displays No or Yes.

BPPS Move During Learn: The scan tool displays No or Yes.

BPP Sensor Circuit: The scan tool displays Inactive or Active. The commanded state of the brake pedal position sensor. When the brakes are applied, the scan tool will display Active.

BPP Sensor: The scan tool displays Counts. The counts of the brake pedal position sensor. According to the instructions on the screen, calibrate the BPPS in accordance with the program.

BPP Sensor Reference: The scan tool displays Counts.

BPP Sensor Status: The scan tool displays Unlearned/Learned/Invalid/Undecided. This is the status of the brake pedal position sensor with regards to learning the home position.

Cage Backlight Dimming: The scan tool displays the percentage of Cage Backlight intensity.

Calculated Brake Pedal Position: The scan tool displays Counts. This is the value that represents how much the brake pedal is being applied.

Component Serial No. 13-16: The scan tool displays the third partition of the door module serial number.

Courtesy Lamp Dimming Status: The scan tool displays Off/On/Fade Off/Fade On. Indicates the current status of the interior courtesy lamps control.

Courtesy Lamp PWM Cmd.: The scan tool displays the percentage of courtesy lamp intensity.

Courtesy Lamp Status: The scan tool displays Invalid/Manual/Manual Defeat/Door Open/Door Closed/Exit/RFA/RFA Theft/SDM/Panic. The current status of the courtesy lamps and how they are being controlled.

Courtesy Lamp Switch: The scan tool displays Off or On. Indicates the status of the courtesy lamp switch input.

Dimming Pot A/D: The scan tool displays voltage. The status of the instrument panel lamp dimmer switch signal 0-5 volts.

Dim Level Requested: The scan tool displays a percent. The status of the commanded dim level.

Door Ajar Switch: The scan tool displays Door Closed or Door Ajar. The status of the door ajar switches.

Door Open Switch: The scan tool displays Closed/Open. This is the state of the door open switch as detected by the door control modules for there respective doors. When a door is open, the scan tool displays Open. When a door is closed, the scan tool displays Closed.

Door Switch Backlight Command: The scan tool displays a percentage (%). This is the state of the door switches backlighting as detected by the associated door module. When the door switches are illuminated, the scan tool displays a percentage with respect to the interior lamps dimmer switch in the appropriate door modules data list.

Exterior Courtesy Lamp Command: The scan tool displays percentage (%). This is the state of the exterior courtesy lamp as detected by the associated door module. When the exterior courtesy lamps are illuminated, the scan tool displays a percentage with respect to the intensity the lamps are illuminated in the appropriate door module data list.

Exterior Courtesy Lamp Status: The scan tool displays Off/On. This is the state of the exterior courtesy lamp as detected by the associated door module. When the driver or front passenger doors are opened, the exterior courtesy lamps illuminate and the scan tool displays ON. When the front doors are closed, the exterior courtesy lamps turn off and the scan too displays Off.

Flash to Pass Switch: The scan tool displays Off or ON. Indicates the status of the flash to pass switch input.

Front Fog Lamp Relay Status: The scan tool displays Off or ON. The commanded state of the front fog lamp relay.

Front Leveling Position: The scan tool displays voltage. Indicates the position of the front suspension position sensor movement based on vehicle pitch.

Headlamp High Beam Signal: The scan tool displays Inactive or Active. Indicates the state of the headlamp high beam signal.

Hazard Lamps: The scan tool displays Enabled or Disabled. Indicates the status of the hazard lamps.

Hazard Switch: The scan tool displays Off or On. Indicates the status of the hazard lamp switch input.

Headlamp/Park Lamp Off Switch: The scan tool displays Off or ON. Indicates the status of the headlamp/park lamp off switch input.

Headlamp Switch: The scan tool displays Off or ON. Indicates the status of the headlamp switch input.

Headlamp Leveling Mode: The scan tool displays Normal or Safe. Indicates the mode the headlamp leveling system is currently in. When the scan tool displays Safe, the headlamp leveling system has been defaulted to a preset position due to a system fault.

High Beam Relay Status: The scan tool displays Off or ON. The commanded state of the headlamp high beam relay.

Inadvertent Power Command.: The scan tool displays Inactive or Active. Indicates the commanded state of the inadvertent power relay.

Inadvertent Power Input: The scan tool displays Inactive or Active. Indicates the state of the inadvertent power.

Incandescent Dimming: The scan tool displays percentage. Indicates the state of the incandescent lamps 0-100%.

Indicator Dimming: The scan tool displays the percentage of Indicator intensity.

Julian Date Of Build: The scan tool displays a number representing the day of the year the module selected was built.

Key Cylinder Halo Lamp: The scan tool displays a percentage of intensity that the key cylinder halo lamp is illuminated.

Learn In Progress: The scan tool displays No or Yes. Indicates the status of the brake pedal position sensor learn command. When the scan tool displays On, the brake pedal position sensor is in the process of learning the home value.

LCD Dimming: The scan tool displays the percentage of LCD intensity.

LED Dimming: The scan tool displays the percentage of LED intensity.

Leveling Actuator Command: The scan tool displays counts. Indicates the position of the headlamp leveling actuator counts.

LF Turn/Hazard Lamp Command: The scan tool displays Off or On. Indicates the status of the left front turn signal/ hazard indicator.

LR Turn/Hazard Lamp Command: The scan tool displays Off or On. Indicates the status of the left rear turn signal/ hazard indicator.

Lights On With Wipers: The scan tool displays Off or On. Indicates the status of the lights on with wipers input.

Lock Indicator Command: The scan tool displays the percentage of intensity that the door lock indicator is illuminated.

Lock Switch Indicator Command: The scan tool displays Off or On. Indicates the command state of the door lock indicators.

Headlamp Low Beam Signal: The scan tool displays Inactive or Active. Indicates the state of the headlamp low beam signal.

Low Beam Relay Status: The scan tool displays Off or ON. The commanded state of the headlamp low beam relay.

Park Brake Switch: The scan tool displays Released or Applied. Indicates the status of the park brake switch input.

Park Lamp Relay Status: The scan tool displays Off or ON. The commanded state of the park lamp relay.

Park Lamp Switch: The scan tool displays Off or ON. Indicates the status of the park lamp switch input.

Photocell State: The scan tool displays Day or Night. Indicated the status of the photocell input.

Pointer Dimming: The scan tool displays the percentage of Pointer intensity.

Position Sensor Reference: The scan tool displays voltage.

Rear Compartment Lid Ajar: The scan tool displays Closed or Ajar. Indicates the status of the rear compartment lid ajar switch.

Rear Compartment Lid Release Relay : The scan tool displays Off or On. Indicates the commanded state of the rear compartment lid release relay.

Rear Fog Lamp Relay Command: The scan tool displays On or Off. The commanded state of the rear fog lamp relay.

Rear Leveling Position: The scan tool displays Voltage. Indicates the position of the rear suspension position sensor movement based on vehicle pitch.

Reverse Switch: The scan tool displays Active or Inactive. Indicates the status of the reverse switch input.

RF Turn/Hazard Lamp Command: The scan tool displays Off or On Indicates the status of the right front turn signal/ hazard indicator.

RR Turn/Hazard Lamp Command: The scan tool displays Off or On. Indicates the status of the right rear turn signal/ hazard indicator.

Smart Beam Status: The scan tool displays Disabled or Enabled. Indicates the status of the smart beam input.

Stop Lamp Relay Command: The scan tool displays Off or ON. Indicates the commanded state of the stop lamp relay.

Stop Lamp Relay: The scan tool displays Released or Applied. Indicates the commanded state of the stop lamp relay.

Stop Lamp Status: The scan tool displays Off or ON. Indicates the status of the stop lamp switch input.

Twilight Enable: The scan tool displays Disabled or Enabled. Indicates the status of the twilight photocell input.

Year Module Built: The scan tool displays the four digit year of build for the module selected.