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P1395 BMW Fault Code

Check P1395 OBD Fault Code Reason
Description:

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

P1395 Code Symptoms :

See P1395 in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1395 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Diagnosis And Repairing P1395

P1395 OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

How to fix P1395 code ?

See P1395 repair manual
  • EVAP system hose leaking
  • Camshaft Position Sensor harness is open or shorted
  • Erratic camshaft position due to low oil pressure
  • Starting system circuit Dead (Weak) battery

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source.

Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

BMW Cars that meet P1395 error