DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control: Notes

NOTE: This DTC may be caused by the vehicle running out of fuel.

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM connectors and ground circuits are okay. If either are defective, repair and repeat testing to confirm ECM malfunction. If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.

NOTE: Heated oxygen sensor No. 1 refers to sensor before catalytic converter. Heated oxygen sensor No. 2 refers to sensor after catalytic converter.

NOTE: For component location, see appropriate illustration in THEORY & OPERATION article.