Possible Causes
WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
ECM illuminates MIL and sets DTC P1128 when ECM detects short in both circuits between ECM and throttle control motor. The possible causes are as follows:
- Harness or connectors.
- Electric throttle control actuator.