What does P0837 Mean? OBD-II Code 4-wheel drive light is flashing is defined as a Four Wheel Drive (4WD) Switch Circuit Range/Performance The 4-Wheel Drive Switch Circuit tells the Transmission Control Module (TCM) what mode the 4-wheel drive system is in (i.e. 4-wheel high, 4-wheel low, 2-wheel). If this switch does not send back a plausible signal, code P0837 will be stored and the 4-wheel drive system may be disabled. engine code P0837P0837 fixobd P0837dtc P0837obd code P0837obd2 P0837P0837 car codediagnostic code P0837car code P0837check engine code P0837fehlercode P0837P0837 fiatcodigo P0837codigo falla P0837P0837 kody b??dówcodigo de falla P0837 What are the common causes of P0837 ? The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction. Fuel with a large percentage of sulfur will clog the DPF quickly Dirty air cleaner element Damaged DPF How do you troubleshoot P0837 ? Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the P0837 code intake and exhaust valves. The lifters can be collapsed by disengaging an internal locking pin. The locking pin is disengaged using solenoids to alter oil pressure fed into the lifter. Searches related to P0837 - Four Wheel Drive Switch Circuit Range/Performance p0837 jeep grand cherokee p0838 jeep p0839 p0839 jeep liberty p0837 cummins 2003 jeep liberty p0837
