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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1711 (POWER SEAT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESLUMBAR SUPPORT INOPERATIVE (WITH MEMORY A45)COMPONENT TESTING
2006 Chevrolet Suburban K2500, 6.0 U
Component Testing
2006 Chevrolet Suburban K2500, 6.0 USECTION Component Testing
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Lumbar Switch
- Ignition OFF, disconnect the harness connector at the lumbar switch.
- Test for infinite resistance between each seat direction signal terminal listed below and the B+ terminal G with the switch in the open position.
- Lumbar horizontal forward switch terminal C
- Lumbar horizontal rearward switch terminal B
- Lumbar vertical upward switch terminal F
- Lumbar vertical downward switch terminal A
- If not the specified value, replace the lumbar switch.
- Test for less than 1 ohm between each lumbar direction signal terminal listed below and the B+ terminal G with the switch in the closed position.
- Lumbar horizontal forward switch terminal C
- Lumbar horizontal rearward switch terminal B
- Lumbar vertical upward switch terminal F
- Lumbar vertical downward switch terminal A
- If greater than the specified range, replace the lumbar switch.
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.