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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2151 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESLIFTGATE ANGLE SENSOR MALFUNCTION - DTC B153ECIRCUIT/SYSTEM TESTING
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Circuit/System Testing
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Circuit/System Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the X3 harness connector at the liftgate control module.
- Ignition OFF, test for less than 1 Ξ© between the low reference terminal 11 at the liftgate control module and ground.
- If greater than the specified range, replace the liftgate control module.
- Ignition ON, test for 4.8-5.2 V between 5 V reference terminal 8 at the liftgate control module and ground.
- If not within the specified range, replace the liftgate control module
- Ignition ON, test for 4.8-5.2 V are between sensor 1 signal terminal 9 and low reference terminal 11 at the liftgate control module.
- If not within the specified range, replace the liftgate control module.
- Test for 4.8-5.2 V between sensor 2 signal terminal 10 and low reference terminal 11 at the liftgate control module.
- If not within the specified range, replace the liftgate control module.
- If all circuits test normal, test or replace the liftgate actuator assembly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.