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 852 (SHIFT LOCK CONTROL 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 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, with the engine OFF. Transmission shift lever in the PARK position. | |||
| Battery 1 | Accessory | Volts | 0-25 V |
| Shifter Unlock Fdbk | Accessory | High/Low | High |
Engine Control Module (ECM) / Powertrain Control Module (PCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, with the engine OFF. Transmission shift lever in the PARK position. | |||
| Brake Switch | ECM/PCM, General Info - Inputs | Applied/Released | Released |
| Ignition 1 | ECM/PCM, General Info - Inputs | Volts | 0-20 V |
| Transmission Range | ECM, Transmission Data | Reverse, 2nd, Drive, Park, Neutral, 1st, 3rd | Park |
| TR Sw. | PCM, Transmission Data | Invalid, Park, Reverse, Neutral, Drive, Intermediate, Low | Park |
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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.