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P1135 Diagnostic Trouble Code Discussion for May 2008

Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1135
Help Request Posted
1999 Saab 9-5 SE 2.3L MIL Lamp on VIN: YS3EF48E1X
P1135: oxygen senser upstream heater current low. Durning diagnosis of this code i noticed that the MAF and Temp sensor readings on my scan tool are not normal, the MAF reads 243 g/s and the temp reads -26 degrees, I replaced the faulty wire with my own but the code has reset. before i condeme the ECM i found...
May 21, 2008