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DTC P1638: CONTROLLER AREA NETWORK INST TOKEN MESSAGE MISSING Jaguar XKR I

Note. Limited information available from manufacturer.

Note. After each repair, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES/ECM RESET PROCEDURE under SELF-DIAGNOSTIC SYSTEM. Turn ignition off and then on. Read DTCs to verify repair is complete. For DLC and ECM connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagrams and all other terminal identification, see WIRING DIAGRAMS .