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C1201 Diagnostic Trouble Code Discussion for March 2011

Engine Control System Malfunction

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Trouble Ticket Help Requests for DTC C1201
Help Request Posted
2005 Toyota Camry XLE 3.0L MIL Lamp on VIN: 4T1BF30K95
C1201: Engine Control System Malfunction. Did diagnostic sequence, A/F sensor heater circuit checks out OK, everything points to PCM. Our local Toyota dealer says change BOTH A/F sensors to updated ones and reprogram the PCM, they think it will help, but not 100% sure. That will be about $1000 to the...
March 04, 2011