DTC P1397 BMW
Camshaft Position Sensor Circ Malfunction
Camshaft Position Sensor Circ Malfunction
Description
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must be in park and the ground between the engine and the ch
Cause and Solution
CMP sensor circuit is open or shorted to ground
CMP sensor circuit is shorted to power
CMP sensor ground (return) circuit is open
CMP sensor installation incorrect (Hall-effect type)
Video Guide
Diagnostic Info
- DTC Code: P1397
- Brand: BMW