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Charge it, replace it,test the alternator,Charge it, replace it,test the alternator,
Check spark plugs, plug wires, do a compression test
Trouble code P0401 means: EGR System Malfunction Replace the EGR Valve
P1294, target idle speed not reached.
Self test has completed.
If the vehicle can be made to run, it would indicate an alternator rather than starter problem (obviously), but connecting a voltmeter to the battery terminals while the engine is running about 2000 RPM and getting a voltage reading of less than 12 Volts or much more than 14 or 15 Volts would indicate a faulty alternator. If the engine cannot be made to run, either or both the starter and alternator must be removed for testing. Most auto part stores can test these for you, usually for free (especially if they think you'll be buying replacements from them). For information on how to test the starter yourself, see the related question/s.
940 is mis communication from PCM and 999 means that's the end of test
We just had the same problem on a 2005 caravan. Auto parts store tested it and siad the alternator was bad. Took it to main dealer and they said the battery was bad. They changed the battery and all is well. (Main dealer battery $160 so beware!!!!!) Try a new battery from somewhere cheaper. You can also remove the alternator and take it to an auto parts store where they can bench test it and tell you if it is bad. They can do the same with the battery.
Only if the battery fails the load test.
bad alternator or battery most local parts stores will test both of them for free
If the alternator tests out OK (most auto parts stores will test one for free), then follow the large wire from the alternator to the battery and test continuity. There is probably one or two fuses or fusible links. Hope this helps. Mark
Bank one fuel system lean. Test fuel pressure, check for vacuum leaks,