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2003 Cadillac CTS V6 codes p0138, p2501, p0504, and b1610, what is the problem with my car?

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2003 Cadillac CTS V6 codes p0138, p2501, p0504, and b1610, what is the problem with my car?

Vehicle: 2003 Cadillac CTS V6

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P0138 CADILLAC - HO2S Circuit High Voltage Bank 1 Sensor 2
Read more: https://www.autocodes.com/p0138_cadillac.html

P2501 CADILLAC - Generator Lamp/L-Terminal Circuit High
Read more: https://www.autocodes.com/p2501_cadillac.html

P0504 CADILLAC - TCC Brake Switch/Cruise Control Input Mismatch
Read more: https://www.autocodes.com/p0504_cadillac.html

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