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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 119 (DOOR LOCK SYSTEMS & DOOR HANDLES)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2009 Chevrolet Tahoe Base, 4.8 C
Diagnostic Code Index
2009 Chevrolet Tahoe Base, 4.8 CSECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1019 | B1019 00: System Configuration Error |
| DTC B1023 | B1023 00: Integral Switch Performance |
| DTC B153A | B153A 00: Liftgate Latch Switch Signal Circuit B153A 08: Liftgate Latch Switch Signal Circuit Signal Invalid |
| DTC B153B | B153B 02: Liftgate Open Switch Signal Circuit Short to Ground B153B 05: Liftgate Open Switch Signal Circuit Open |
| DTC B153E | B153E 02: Liftgate Position Sensor Signal Circuit Short to Ground B153E 05: Liftgate Position Sensor Signal Circuit Short to Battery or Open B153E 08: Liftgate Position Sensor Signal Circuit Signal Invalid |
| DTC B153F | B153F 02: Liftgate Object Sensor Signal Circuit Short to Ground B153F 03: Liftgate Object Sensor Signal Circuit Voltage Below Treshold B153F 05: Liftgate Object Sensor Signal Circuit Short to Battery or Open B153F 07: Liftgate Object Sensor Signal Circuit Voltage Above Threshold |
| DTC B2494 | B2494 02: Liftgate Handle Switch Circuit Short to Ground |
| DTC B2495 | B2495 01: Endgate/Liftgate Latch Control Circuit Short to Battery B2495 02: Endgate/Liftgate Latch Control Circuit Short to Ground B2495 04: Endgate/Liftgate Latch Control Circuit Open Circuit |
| DTC B3130 | B3130 00: All Door Unlock Circuit |
| DTC B3135 | B3135 00: All Door Lock Circuit |
| DTC B3265 | B3265 00: Trunk/Hatch/Liftglass Release Output Circuit |
| DTC B396A | B396A 01: Liftgate Motor Control Circuit Short to Battery B396A 02: Liftgate Motor Control Circuit Short to Ground B396A 04: Liftgate Motor Control Circuit Open |
| DTC B396B | B396B 01: Liftgate Motor Clutch Control Circuit Short to Battery B396B 02: Liftgate Motor Clutch Control Circuit Short to Ground B396B 04: Liftgate Motor Clutch Control Circuit Open |
| DTC B396F | B396F 06: Liftglass Ajar Output Signal Circuit Short to Ground or Open B396F 0B: Liftglass Ajar Output Signal Circuit Current Above Threshold |
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.