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Home >> Jaguar >> 2000 >> XJR >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P0603: ECM Data Corrupted >> System Default Action

System Default Action

When Check Engine Indicator is activated (DTC flagged; first trip), ECM: inhibits all diagnostic monitoring except:

Throttle control.
Upstream HO2S control.
CPU 1 and 2.

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