Below are some examples of different definitions for this code-. P1000 – Jaguar: “Engine control module (ECM) – internal error”. P1000 – Land Rover: “Engine control module (ECM) memory erased – no codes stored”. P1000- Mazda: “OBDII Drive Cycle Malfunction”. “ Monitor testing” refers to the battery of tests the OBD II
Fault codes are listed in the technical handbook, no good to you as it's a Jaguar service item unless you can get a copy of JTIS from ebay etc. Fault Code:- P1638 Indicates a Power-train fault. The fault is generally due to a problem in the Computer & Output Circuit area. Fault Description: CAN ECM / INST network malfunction. Action of ECM:- none.
We checked the codes and they where as follows P0171, P0174,P0300,P0302,P0304,P0306,P0314,P0153, P01603,P1111,P1000, P1314,P1316, The drive-ability as road tested by us was lack of power when a cretin amount of pressure was applied to the throttle at about 40 MPH less pressure and the problem stopped more pressure and the problem stopped. And
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