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P1397 Diagnostic Trouble Code Discussion for June 2008

System Voltage Out Of Self Test Range

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Trouble Ticket Help Requests for DTC P1397
Help Request Posted
1999 BMW Z3 Roadster 2.5L MIL Lamp on VIN: 4USCH9337X
P1397: cam sensor B malfunction. ... This car is kicking my butt. It came in with p1397 cam sensor b failure checked signal found bad sensor. replaced both sensor (as i always do) car was fine for 1 day then came back with same code. check signal agian found good signal. Warranty the cam sens...
June 03, 2008
2002 BMW 530i 3.0L Poor Fuel Economy, MIL Lamp on VIN: WBADT63412
P1397: Exhaust Cam Sensor BMW/Manufacturer Code 18. I suspect a mechanical cam timing issue but am not familiar with this two cam sensor setup. The exhaust cam sensor code & check engine light come on (after clearing) usually after 2-3 drive cycles, sometimes the light will turn it self back off (for a whil...
June 03, 2008