P0373 BMW Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

Possible causes – Timing Reference Optical Sensor harness is open or shorted– Timing Reference Optical Sensor circuit poor electrical connection– Faulty Timing Reference Optical Sensor– Damaged Powertrain Control Module (PCM) When is the obd code mean? Some high resolution pulses are intermittent from the optical sensor to the PCM Symptoms – Engine Light ON (or…