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Home >> Jaguar >> 2000 >> XJR >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P1633: ECM CPU 1 Memory Failure >> DTC Description

DTC Description

ECM CPU 1 failure. This DTC is an OBD-II fault. Check Engine Indicator is activated after 2 consecutive trips with fault present. Red MIL (above message center) and Amber MIL (above message center) is illuminated after one trip with fault present. A message is displayed on message center.

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