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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 128 (SHIFT LOCK CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESTRANSMISSION CONTROL LEVER MALFUNCTIONDIAGNOSTIC FAULT INFORMATION
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Diagnostic Fault Information
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Fuse B+ | B270A 02, 1 | 1 | - | - |
| Control | B270A 02, 1 | 1 | B270A 01, 2 | - |
| Ground | - | 1 | - | - |
| 1. Transmission shift control lever will not move from PARK with the brake pedal applied. 2. Transmission shift control lever will move from PARK without the brake pedal applied. |
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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.