Data Definitions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage Signal-Range 10.0-16.0 Volts: This data refers to the battery system voltage as measured by the suspension control module.

Compressor Signal, if equipped - ON/OFF: This data indicates when the compressor relay is activated.

Digital SWPS Phase A-High/Low: This data indicates the state of phase A in the steering wheel position sensor.

Digital SWPS Phase B-High/Low: This data indicates the state of phase B in the steering wheel position sensor.

Exhaust Signal, if equipped - ON/OFF: This data indicates when the exhaust solenoid is commanded On or Off.

Left Front Damper Actuator-ON/OFF: This data refers to the state of the suspension damper solenoid contained within the shock absorber.

Left Rear Damper Actuator-ON/OFF: This data refers to the state of the suspension damper solenoid contained within the shock absorber.

LF Position Sensor-Range 0.25-4.75 volts: This data refers to the vehicle height measured in volts.

LR Position Sensor-Range 0.25-4.75 volts: This data refers to the vehicle height measured in volts.

Marker Pulse-High Low: This data indicates the state of marker pulse in the steering wheel position sensor.

Rear Leveling Air Pressure, if equipped - psi/kpa: This data indicates the system pressure in psi.

Rear Leveling Air Pressure, if equipped - Volts: This data indicates the system pressure in volts.

Right Front Damper Actuator-ON/OFF: This data refers to the state of the suspension damper solenoid contained within the shock absorber.

Right Rear Damper Actuator-ON/OFF: This data refers to the state of the suspension damper solenoid contained within the shock absorber.

RF Position Sensor-Range 0.25-4.75 volts: This data refers to the vehicle height measured in volts.

RR Position Sensor-Range 0.25-4.75 volts: This data refers to the vehicle height measured in volts.

Sensor Supply Voltage - Volts: This data indicates the voltage being supplied to the sensors from the ESC module.

Vehicle Speed - Range -193 km/h (0-120 mph): This is the ESC module measurement of the vehicle's speed from a discrete output from the powertrain control module (PCM).