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 MANUALSCHEVROLET2018SONIC LS, 1.8L ENG VIN H, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESSPEAKER MALFUNCTIONDIAGNOSTIC FAULT INFORMATION
2018 Chevrolet Sonic LS, 1.8L Eng VIN H, Automatic Trans
Diagnostic Fault Information
2018 Chevrolet Sonic LS, 1.8L Eng VIN H, Automatic TransSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Left Front Speaker Output Signal | B1025 02, 1 | B1025 04, 1 | B1025 01, 1, 2 | - |
| Right Front Speaker Output Signal | B1035 02, 1 | B1035 04, 1 | B1035 01, 1, 2 | - |
| Left Rear Speaker Output Signal | B1045 02, 1 | B1045 04, 1 | B1045 01, 1, 2 | - |
| Right Rear Speaker Output Signal | B1055 02, 1 | B1055 04, 1 | B1055 01, 1, 2 | - |
| 1. No or reduced audio from speaker(s) on the affected audio circuit. 2. Noticeable audio distortion may be present. |
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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.