Powertrain

P1337 - FAULT CODE - OBD2

Table Of Contents

    Description of DTC code P1337 Generic

    The CKP sensor (Crankshaft Position Sensor) is used by the engine to record the crankshaft rotational speed. This data is provided to the Engine Control Module (ECM), which uses it to determine when the spark will occur and in which cylinder. This information is also used to monitor cylinder misfires. On certain vehicle models, this sensor is installed near the crankshaft pulley. On the other hand, in other vehicles, it is also installed in the transmission bell housing or the engine cylinder block.

    The way the crankshaft position sensor is placed allows the reluctor ring teeth joined to the crankshaft to be very near the tip of the sensor. Typically, this ring is missing one or more teeth so that the control module can be provided with the reference point to the crankshaft position. As the crankshaft rotates, the sensor produces a pulsed voltage signal. Each pulse corresponds to the ring tooth.

    The P1337 OBDII diagnostic code setting for Acura and Honda manufacturers occurs when the signal expected from the Crankshaft Position Sensor 2 is not present or is deficient.

    Symptoms of fault code P1337 Generic

    • Check Engine light ON.
    • During cold weather, the engine may have problems starting.
    • The engine may shut down suddenly, although it may restart smoothly.
    • RPM is erratic.

    Causes of OBD2 P1337 Generic

    Reasons to set the P1337 OBD2 fault code:

    • The battery may not have enough electrical charge.
    • The CKP sensor wiring or connectors may be faulty.
    • There may be damage to the starter motor.
    • The Crankshaft Position Sensor may be faulty.

    Possible solutions of the DTC code P1337 Generic

    To troubleshoot the DTC P1337 OBDII code, consider this:

    • We recommend you consult the vehicle's information source to get access to the TSBs. The content of these is very useful.
    • Verify that the battery has enough charge for the correct performance of the ignition system. Check its cables for corrosion damage or other conditions. Fix if necessary.
    • Check the condition of the starter motor and verify that it is not in bad condition. If you discover damage to the starter motor, fix it if necessary.
    • Check that the crankshaft position sensor circuit is not faulty in the signal it sends due to bad electrical components. Also, check if the circuit voltages match those specified in the service manual. Repair if necessary.

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