LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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2007
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CTS Base, 2.8 T, Automatic
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Diagnostic Information and Procedures
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DTC B1271
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Circuit/System Testing
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Circuit/System Testing
Ignition ON the ignition, with the engine OFF. With a scan tool, clear the radio theft information and DTC. Cycle the ignition and verify the DTC did not reset.
If the DTC resets, replace the radio.