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 MANUALSCHEVROLET2002TAHOE 5.3 T, RWDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXTHEFT DETERRENT DTCS
2002 Chevrolet Tahoe 5.3 T, RWD
Theft Deterrent DTCS
2002 Chevrolet Tahoe 5.3 T, RWDSECTION Theft Deterrent DTCS
THEFT DETERRENT DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC B2947 | Security System Sensor Power CKT Low |
| DTC B2948 | Security System Sensor Power CKT High |
| DTC B2957 | Security System Sensor Data Circuit Low |
| DTC B2958 | Security System Sensor Data Circuit High |
| DTC B2960 | Sec Sys Sensor Data Incorrect but Valid |
| DTC B2973 | Content Theft Deterrent (CTD) Does Not Disarm with Key Lock |
| DTC B3031 | Security System Controller in Learn Mode |
| DTC B3033 | Security System Indicates Tamper |
| DTC P1626 | Theft Deterrent Fuel Enable Signal Lost |
| DTC P1631 | Theft Deterrent Start Enable Signal Not Correct |
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.