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 K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1924 (POWER SEAT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESMEMORY SEAT FEATURE INOPERATIVECIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Suburban K2500, 6.0 U
Circuit/System Verification
2006 Chevrolet Suburban K2500, 6.0 USECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that all manual power seat and lumbar functions operate when being controlled by the seat adjuster and lumbar switches.
- If any seat function does not operate, refer to Power Seat Inoperative (Without Memory A45) , Power Seat Inoperative (With Memory A45) , or Lumbar Support Inoperative (Without Memory A45) , Lumbar Support Inoperative (With Memory A45) .
- The memory seat module (MSM) cannot perform Memory Seat Recall, Easy Exit Setup, or Easy Exit Recall functions unless these options are activated in the driver information center (DIC). Refer to the Owners Manual to verify that these memory recall personalization options are ON.
- Verify that memory positions for driver 1 and driver 2 have been recorded to memory by observing the scan tool Driver Position Module, Memory Data 1 and Memory Data 2 parameters.
- If the lumbar vertical motor operates normal, but the lumbar vertical memory function is inoperative, refer to DTC B1825, B1850, B1860, B2355, B2365, or B2375 and follow DTC B1860 diagnostic procedure.
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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.