DTC P1000 [YF (2.0L Zetec)]


DTC P1000	Internal control module ROM error
DETECTION CONDITION	• The DTC stored in continuous memory if any of the OBD monitors do not complete.
POSSIBLE CAUSE	• Vehicle is new from factory • Battery or PCM had recently been disconnected • DTCs have been cleared with WDS or equivalent


STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has FREEZE FRAME DATA been recorded?	Yes	Go to next step.
1		No	Record FREEZE FRAME DATA on repair order, then go to next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Check for related Service Bulletins and/or on-line repair information availability. • Is any related repair information available?	Yes	Perform repair or diagnosis according to available repair information. • If vehicle is not repaired, go to next step.
2		No	Perform the Drive mode procedure.
3	VERIFY TROUBLESHOOTING OF DTC P1000 COMPLETED • Make sure to reconnect all disconnected connectors. • Turn ignition key to ON (engine OFF). • Clear DTC from PCM memory using WDS or equivalent. • Start engine and warm up it completely. • Is same DTC present?	Yes	Replace PCM, then go to next step. (See PCM REMOVAL/INSTALLATION [YF (2.0L Zetec)].)
3		No	Go to next step.
4	VERIFY AFTER REPAIR PROCEDURE • Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [YF (2.0L Zetec)].) • Are any DTCs present?	Yes	Go to applicable DTC inspection. (See DTC TABLE [YF (2.0L Zetec)].)
4		No	Troubleshooting completed.