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

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, 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.

NOTE: Bank 1 is also known as right bank (RH). A/F sensor refers to sensor No. 1 in exhaust manifold.