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.
Diagnostic Fault Information
2019 Buick Envision BaseSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Lane Departure Warning Switch Signal | B356A 02 | 1 | B356A 05 | - |
| Lane Departure Warning Switch Ground | - | 1 | - | - |
| Lane Departure Warning Switch Indicator Ignition | 2 | 2 | - | - |
| Lane Departure Warning Switch Indicator Control | 2 | B0987 06, B0987 0B | B0987 01, B0987 0B | - |
| 1. Lane departure warning switch malfunction. 2. Lane departure warning switch indicator malfunction. |
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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.