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Home >> Jaguar >> 2000 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P1634: Throttle "Watchdog" Circuit Malfunction >> System Default Action

System Default Action

When fault is set, ECM:

Limits throttle valve movement in response to normal accelerator pedal movement.
Limits vehicle speed to 80 MPH.
Inhibits cruise control.

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