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 MANUALSCADILLAC2011CTS BASE, 4D WAGON, 3.6 D, AWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 6L45/6L50/6L90 - DTC P0150C THROUGH DTC P2764DTC P1761CIRCUIT/SYSTEM VERIFICATION
2011 Cadillac CTS Base, 4D Wagon, 3.6 D, AWD
Circuit/System Verification
2011 Cadillac CTS Base, 4D Wagon, 3.6 D, AWDSECTION Circuit/System Verification
- DTC P1761 is an informational DTC. Diagnose all other body control module DTCs prior to DTC P1761. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If there are no other body control DTCs, diagnosis is accomplished by looking for an intermittent CAN circuit fault.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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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.