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Home >> Jaguar >> 2002 >> XJR Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P1642: Controller Area Network Circuit Malfunction >> System Default Action
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System Default Action

When fault is set, ECM limits throttle to approximately 30 percent and inhibits cruise control (all CAN data unavailable).