Power Steering Control Module Scan Tool Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Power Steering Control Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Battery Voltage | - | Varies | The scan tool displays volts. This is the current battery voltage as monitored by the power steering control module. |
| Calculated System Temperature | - | Varies | This displays °C (°F). This is the calculated temperature of the power steering system. |
| Intermediate Voltage | - | Varies | The scan tool displays volts. The PSCM monitors the intermediate voltage power limit request message from the accessory power module (APM). |
| Overload Protection Incidents | - | Varies | This displays a numeric value. This is the number of incidents where the system was protected from overload. |
| Steering Shaft Torque | - | Varies | This displays N-m. This is the calculated force of the steering shaft, as monitored by the power steering control module. |
| Steering Wheel Position | - | Varies | This displays °. This is the state of the steering wheel position. |
| Vehicle Speed Status | - | Varies | The scan tool displays Valid or Invalid. This is the current state of the vehicle speed. |
Power Steering Control Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Steering Pos./Torque Sensor Cal. | This is used to calibrate the steering position/torque sensor. |