Transmission temperature must remain below 50 deg C and trans shifter must be placed in P position prior to the start of CIP programming.
P0171-00 System Too Lean (Bank 1) P0174-00 System Too Lean (Bank 2) Disregard fault code P0191 Fuel Rail Pressure Sensor Circuit, if set with crankcase vent issue. Important Take-A-Way: Tech Tip provides information related to Crankcase Ventilation and the Crankcase Ventilation Valve, and ...