Safety Warning
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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 400 (REAR WHEEL STEERING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Chevrolet Suburban C2500, 6.0 U
Scan Tool Data List
2006 Chevrolet Suburban C2500, 6.0 USECTION Scan Tool Data List
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Rear Wheel Steering
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions : Ignition ON/Engine ON | |||
| 2-Wheel Steer Mode Lamp | Output | On/Off | Varies |
| 4-Wheel Steer Mode Lamp | Output | On/Off | Varies |
| 4WS-Tow Mode Lamp | Output | On/Off | Varies |
| 8-Digit GM Part Number | ID Information | Numeric | Varies |
| Actual Rear Steering Angle | Data Display | Degrees | 0° to 12° |
| Base Model Part Number | ID Information | Numeric | Varies |
| Battery Voltage | Data Display | Voltage | 9.0-16.0 volts |
| Calibration Part Number | ID Information | Numeric | Varies |
| Calibration S/W Suffix | ID Information | Numeric | Varies |
| Digital SWPS Phase A | Data Display | High/Low | Varies |
| Digital SWPS Phase B | Data Display | High/Low | Varies |
| Hall Sensor Reference | Data Display | Voltage | 12 volts |
| Ignition 3 | Data Display | Voltage | 9.0-16 volts |
| Ignition Cycles Since Last Fault | Data Display | Counts | Counts |
| Marker Pulse | Data Display | High/Low | 1 |
| Motor Current | Data Display | Amps | 20-50 A Typical 0 to 85A Max |
| Motor Relay Commanded State | Data Display | ON/OFF | Varies |
| Motor Relay Feedback State | Data Display | ON/OFF | Varies |
| Rear Steer Mode Actual | Data Display | 2WS, 4WS, 4WS Tow | Varies |
| Rear Steer Mode Requested | Data Display | 2WS, 4WS, 4WS Tow | Varies |
| Rear Steer Position 1 | Data Display | Voltage | 0.25-4.75 volts |
| Rear Steer Position 2 | Data Display | Voltage | 0.25-4.75 volts |
| Rear Steer Select Switch | Data Display | On/Off | Off |
| Rear Wheel Centering 1 | Data Display | Voltage | 2.5 volts |
| Rear Wheel Centering 2 | Data Display | Voltage | 2.5 volts |
| Requested Rear Steering Angle | Data Display | Degrees | 0° to 12° |
| Sensor Supply Voltage | Data Display | Voltage | 4.97 volts |
| Steering Wheel Angle | Data Display | Degrees | -609° to +609° |
| Steering Wheel Angle (TBC) | Data Display | Degrees | -225 to +225 |
| Steering Wheel Sensor Signal | BCM Data Display | Voltage | 0.25 volts to 4.75 volts |
| Vehicle Speed | Data Display | km/h (mph) | Varies |
RENDER: 1.0x
NO RELATED
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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.