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 C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 365 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Chevrolet Suburban C1500, 5.3 Z
Scan Tool Data List
2006 Chevrolet Suburban C1500, 5.3 ZSECTION 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.
Powertrain (PCM) - 4.3L
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Idling at Normal Operating Temperature/Vehicle is in Park or Neutral/Cruise On/Off Switch is Turned Off | |||
| Clutch Pedal Switch | Engine Data 1 | Applied/Released | Released |
| Cruise Control Active | Engine Data 1 | Yes/No | No |
| Cruise Inhibit Signal Command | Engine Data 1 | On/Off | Off |
| Engine Speed | Engine Data 1 | RPM | Varies |
| Ignition 1 Signal | Engine Data 1 | Volts | 12 to 16 Volts |
| Stoplamp Pedal Switch | Engine Data 1 | Applied/Released | Released |
| Vehicle Speed Sensor | Engine Data 1 | km/h (mph) | 0 km/h (0 mph) |
Powertrain (PCM) - 4.8L, 5.3L, 6.0L, and 8.1L
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Idling at Normal Operating Temperature/Vehicle is in Park or Neutral/Cruise On/Off Switch is Turned Off | |||
| Cruise Control Active | Cruise Control Data | Yes/No | No |
| Cruise Disengage (1 - 8) History | Cruise Control Data | Last reason for cruise control disengagement | Varies |
| Cruise Inhibit Signal Command | Engine Data 1 | On/Off | Off |
| Cruise On/Off Switch | Cruise Control Data | On/Off | Off |
| Cruise Release Brake Pedal Switch | Cruise Control Data | Applied/Released | Released |
| Cruise Resume/Accel. Switch | Cruise Control Data | On/Off | Off |
| Cruise Set/Coast Switch | Cruise Control Data | On/Off | Off |
| Engine Speed | Cruise Control Data | RPM | Varies |
| Ignition 1 Signal | Cruise Control Data | Volts | 12 to 16 Volts |
| Reduced Engine Power | Cruise Control Data | Active/Inactive | Inactive |
| Stoplamp Pedal Switch | Cruise Control Data | Applied/Released | Released |
| TAC/PCM Communication Signal | Cruise Control Data | OK/Fault | OK |
| Traction Control Signal | Cruise Control Data | Active/Inactive | Inactive |
| Vehicle Speed Sensor | Cruise Control Data | km/h (mph) | 0 km/h (0 mph) |
Powertrain (PCM) - 6.6L (LB7 and LLY)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition ON/Engine Idling at Normal Operating Temperature/Vehicle is in Park or Neutral/Cruise On/Off Switch is Turned Off | |||
| Clutch Pedal Switch | Engine Data 1 | Applied/Released | Released |
| Cruise Control Active | Engine Data 1 | Yes/No | No |
| Cruise On/Off Switch | Engine Data 1 | On/Off | Off |
| TCC/Cruise Brake Pedal Switch | Engine Data 1 | Applied/Released | Released |
| Cruise Resume/Accel. Switch | Engine Data 1 | On/Off | Off |
| Cruise Set/Coast Switch | Engine Data 1 | On/Off | Off |
| Engine Speed | Engine Data 1 | RPM | Varies |
| Ignition 1 Signal | Engine Data 1 | Volts | 12 to 16 Volts |
| Stoplamp Pedal Switch | Engine Data 1 | Applied/Released | Released |
| Vehicle Speed Sensor | Engine Data 1 | km/h (mph) | 0 km/h (0 mph) |
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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.