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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2000C TAHOE 2WD V8-4.8L VIN VREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA, NORMAL VALUES AND DEFINITIONSSCAN TOOL DATA DEFINITIONS - POWERTRAIN SYSTEMSHVAC IN RECIRCULATION MODE
2000 Chevrolet C Tahoe 2WD V8-4.8L VIN V
HVAC in Recirculation Mode
2000 Chevrolet C Tahoe 2WD V8-4.8L VIN VSECTION HVAC in Recirculation Mode
The scan tool displays Yes or No. This parameter displays the PCMs commanded state of the recirculation door not the HVAC controllers commanded state. Changing the state of the recirculation door, via the HVAC control head, does not affect this parameter. This parameter changes from No to Yes when the secondary A/C high pressure switch closes for a predetermined time.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.