The P2103 is usually installed due to electrical problems (TA-A circuit). They should not be overlooked during the troubleshooting phase, especially when solving an intermittent problem. Troubleshooting steps may vary depending on manufacturer, TA-A type and wire colors. Corresponding Throttle Actuator Control Motor Circuit Codes:
Code P2101 severity and symptoms. The severity is usually very severe due to the impact on the cooling system. Since this could be an electrical or mechanical problem, the PCM cannot fully compensate for it. Partial compensation usually means that the engine has a fixed idle speed (typically around 1000 - 1200 rpm).