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 MANUALSCHEVROLET2013EQUINOX LS, AWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESRADIO CONTROLS MALFUNCTION (WITH MONOCHROME DISPLAY)DIAGNOSTIC FAULT INFORMATION
2013 Chevrolet Equinox LS, AWD, Gas
Diagnostic Fault Information
2013 Chevrolet Equinox LS, AWD, GasSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Radio Controls B+ | U0257, 1, 2, 3 | 2, 4 | - | - |
| Radio Display B+ | U0257, 1, 2, 3 | U0257, 1, 3, 4 | - | - |
| Radio Display Reset | U0257, 1, 2 | - | - | - |
| Radio Display Wake up | - | U0257, 1, 2 | U0257, 1, 2 | - |
| CGI Serial Data + | U0257, 1, 2 | U0257, 1, 2 | U0257, 1, 2 | - |
| CGI Serial Data - | U0257, 1, 2 | U0257, 1, 2 | U0257, 1, 2 | - |
| LIN Serial Data | 2 | 2 | 2 | - |
| Radio Controls ground | - | 2 | - | - |
| Radio Display Ground | - | - | - | - |
| 1. Display Inoperative 2. Controls inoperative 3. Fault affects multiple components, dependant on vehicle equipment additional communication DTCs may be set 4. Fault may affect one or more components, dependant on fault location |
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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.