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 MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 35 (ANTILOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESTRACTION CONTROL/STABILITY CONTROL INDICATOR MALFUNCTIONCOMPONENT TESTING
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
Component Testing
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Component Testing
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the X1 harness connector at the S48A Multifunction Switch - Instrument Panel.
- Test for infinite resistance between the signal circuit terminal 17 and the ground terminal 14 with the switch in the open position.
- If less than infinite resistance
Replace the S48A Multifunction Switch - Instrument Panel.
- Go to next step: If infinite resistance
- If less than infinite resistance
- Test for less than 2 Ω between the signal terminal 17 and the ground terminal 14 with the switch in the closed position.
- If 2 Ω or greater
Replace the S48A Multifunction Switch - Instrument Panel.
- Go to next step: If less than 2 Ω
- If 2 Ω or greater
- All OK.
RENDER: 1.0x
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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.