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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1377 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B3794COMPONENT TESTING
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Component Testing
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Component Testing
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Steering Wheel Controls Switch - Left
- Ignition OFF, remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement .
- Ignition OFF, disconnect the harness connector at the steering wheel controls switch - left.
- Measure the resistance between the supply voltage circuit terminal 1 and the signal circuit terminal 3. Individually activate and hold each cruise control function switch and compare the resistance reading to the values for the On, Off, SET -, RES +, and Cancel switches.
- If any of the resistance measurements for the On, Off, SET -, RES + and Cancel switches are not within the listed resistance values, replace the steering wheel controls - left.
| Function Switch | Minimum Resistance Value | Maximum Resistance Value |
|---|---|---|
| Off | O.L. | O.L. |
| On | 6.5k Ohms | 7.1k Ohms |
| - SET | 2.2k Ohms | 2.4k Ohms |
| + RES | 3.7k Ohms | 3.9k Ohms |
| Cancel | 1.4k Ohms | 1.6k Ohms |
RENDER: 1.0x
NO RELATED
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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.