DTC U3001-94: Control Module Improper Shutdown - Unexpected operation: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Using the manufacturer approved diagnostic system, check datalogger signal - Main ECU Supply Voltage (0xDD02). Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check the transmission control module power and ground circuits for open circuit, high resistance
- Refer to the relevant service information and test the battery and charging system