DTC P0125: Insufficient Engine Coolant Temperature (ECT) To Enter Closed Loop: Condition
WARNING: This page is about a different car, the 1999 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when engine coolant temperature fails to reach predetermined level after vehicle has been driven. MIL is illuminated when Power Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- ECT sensor or circuit malfunction.
- Engine cooling system malfunction.
- PCM malfunction.