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Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Without Codes >> On Board Monitoring >> Engine Control Module Self Test >> Engine Control Module Self Test Drive Cycle Information
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Engine Control Module Self Test Drive Cycle Information

Engine control module self test monitoring drive cycle information for each DTC:

  1. P1646

    Drive Cycle A
  2. P0604

    Drive Cycle A
  3. P0605

    Drive Cycle C
  4. P0606

    Drive Cycle C

NOTE: To provide compatibility with later 2005 model year DTCs, from disc 14 of the Range Rover TestBook/T4 diagnostic software, the DTCs in the following table will be displayed with new DTC numbers and descriptions. See Fig 1 .

If a standard scan tool is used then the original codes detailed above will be displayed.

Fig 1: Change To Engine Control Module Self Test DTC Display Using Disc 14 & Subsequent TestBook/T4 Software
G00389621Courtesy of LAND ROVER NORTH AMERICA, INC.