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Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - With Codes >> Diagnostic Tests >> DTC P1630: Throttle Position Control Error >> Bosch ME7.2 EMS DTC P1630 - Throttle Position Control Error: Last Occurrence - Plausibility >> Possible Causes

Possible Causes

  1. Connectors C0606, C0175. See step  1 under CHECK.
  2. Harness integrity. See step  2 under CHECK.
  3. Electronic throttle actuator. See step  3 under CHECK.
  4. V8 Engine Management System ECM. See step  4 under CHECK.