Fuel Pump Flow 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.
Fuel Pump Flow Control Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral | |||
| Desired Fuel Pressure | - | 306.8 kPa (44.5 psi) | This displays kPa (psi). This is the desired fuel pressure. |
| Fuel Pump Command | - | On | The scan tool displays On or Off. This is the current state of the fuel pump command. |
| Fuel Pump Signal Command | - | Varies | This displays %. This is the commanded fuel pump signal measured in percentage. |
| Fuel Pressure Sensor | - | 296.4-310.3 kPa (43-45 psi) | This displays kPa (psi). This is the current pressure at the fuel pressure sensor. |
| Fuel Pressure Sensor | - | 4.90-5.01 Volts | This displays Volts. This is the fuel pressure sensor voltage. |
| Ignition 1 Signal | - | Varies | This displays Volts. This is the current ignition 1 signal. |
| LT Fuel Pump Trim | - | Varies | This displays a numeric value. This is the long term (LT) fuel pump trim. |
| ST Fuel Pump Trim | - | Varies | This displays a numeric value. This is the short term (ST) fuel pump trim. |
Fuel Pump Flow Control Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Fuel Pressure Control | This output control is used to control the fuel pressure. |
| Fuel Pump | This output control is used to command the fuel pump ON and OFF. |
| Fuel Pump Trim Reset | This output control is used to reset the fuel pump trim. |
Active Grille Air Shutter Scan Tool Data Parameters (If Equipped)
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral | |||
| Active Grille Air Shutter Position Command | - | Varies | This displays %. This is the commanded active grille air shutter position. |
| Active Grille Air Shutter Position | - | Varies | This displays %. This is the actual active grille air shutter position. |
| Cold Temperature Mode | - | On / Off | The scan tool displays On or Off. This is the current state of the Cold Temperature Mode. |
| Ambient Air Temperature | - | Varies | The scan tool displays °C (°F). This is the current ambient air temperature. |
Active Grille Air Shutter Scan Tool Output Controls (If Equipped)
| Output Control | Description |
|---|---|
| Active Grille Air Shutter Actuator | This output control is used to cycle the active grille air shutter open and closed. |
Exhaust Flow Control Valve Scan Tool Data Parameters (If Equipped)
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral | |||
| Exhaust Flow Control Valve Command | - | Open/Closed | Exhaust Flow Valve Commanded State |
| Exhaust Flow Control Valve Command | - | % | Exhaust Flow Valve Commanded Duty Cycle (0%-100%) |
| Exhaust Flow Control Valve Performance Mode | - | Active/Inactive | Exhaust Flow Valve Control Status |
| Exhaust Flow Control Valve Rumble Mode | - | Active/Inactive | Exhaust Flow Valve Control Status |
| Exhaust Flow Control Valve | - | Active/Inactive | Exhaust Flow Valve Control Status |
Exhaust Flow Control Valve Scan Tool Output Controls (If Equipped)
| Output Control | Description |
|---|---|
| Exhaust Flow Control Valve Command | This output control is used to cycle the exhaust flow control valve open and closed. |