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 MANUALSCHEVROLET1996TAHOE 2D UTILITY, 6.5 SREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEMDIAGNOSIS & TESTINGDTC 55 - DERM INCOMPATIBILITYDTC WILL SET
1996 Chevrolet Tahoe 2D Utility, 6.5 S
DTC Will Set
1996 Chevrolet Tahoe 2D Utility, 6.5 SSECTION DTC Will Set
When circuit descriptions indicate a Driver/Passenger DERM has been installed in vehicle. This test is run once each ignition cycle during INITIATOR ASSEMBLY RESISTANCE TEST when:
- No higher priority faults are detected during Turn ON.
- No higher priority faults are detected during CONTINUOUS MONITORING for 1 second.
- No CRANK signal present.
- IGNITION 1 voltage is above a specified value.
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.