Protocol 3 Code Descriptions

2001 Mercury Sable LS, 4D Sedan, 3.0 U, AX4SSECTION Protocol 3 Code Descriptions

Position 1 = Model Year

  1. Indicates last digit of model year in which calibration was first introduced.
  2. 0

    2000
  3. 1

    2001
  4. 2

    2002

Position 2 = Vehicle Code

  1. Identifies vehicle line.
  2. AJ

    Escort & ZX2
  3. AK

    Focus
  4. DD

    Sable & Taurus
  5. FB

    Crown Victoria & Grand Marquis
  6. JC

    Continental
  7. LQ

    LS
  8. SR

    Thunderbird
  9. VC

    Town Car
  10. ZE

    Mustang
  11. ZN

    Cougar

Position 3 = Transmission Code

  1. Identifies transmission type.
  2. 1

    Automatic Transmission
  3. 2

    Manual Transmission

Position 4 = Unique Calibration

  1. The Emissions/CAFE/CO2 Compliance Department is responsible for assigning these calibration codes. Unique calibration identifications are assigned to cover similar vehicles to differentiate between tires, drive configurations, final drive ratios and other calibration-significant factors. These 2 characters are selected by an analyst to provide identifiable information unique to each calibration. For example; using the number 2 to denote a 2-valve engine versus using the number 4 to denote a 4-valve engine, provides an easily identifiable difference.

Position 5 = Fleet Code

  1. Identifies fleet calibration code.
  2. 0

    Certification (U.S. 4K, final sale in export markets)
  3. 1

    HGDE/Dyno
  4. 2

    Fast AMA, U.S
  5. 3

    ADP U.S.
  6. 4

    Not assigned
  7. 5

    Not assigned
  8. 6

    Evaporative emissions
  9. 7

    MACAA
  10. 8

    On-board diagnostics
  11. 9

    Not assigned

Position 6 = Certification Regions

  1. Certification region. Lists the lead region where multiple regions are included in one calibration.
  2. 5

    U.S. fifty states
  3. A

    U.S. Federal (including altitude, may include Canada or Mexico)
  4. B

    U.S. California standard (includes U.S. Green States; Maine, Massachusetts, New York and Vermont)
  5. C

    Canada
  6. D

    China
  7. E

    European Community (Austria, Belgium, Denmark, Finland, Germany, Greece, Ireland, Luxembourg, Netherlands, Portugal, Spain, Sweden, United Kingdom)
  8. F

    Extended European Community (E plus Croatia, Czech Republic, Estonia, Hungary, Norway, Poland, Romania, Russian Federation, Slovakia, Slovenia, Switzerland, Yugoslavia)
  9. G

    Gulf Cooperative Council
  10. H

    Hong Kong
  11. J

    Japan
  12. K

    Korea
  13. L

    Malaysia
  14. M

    Mexico
  15. N

    New Zealand
  16. P

    Australia
  17. Q

    South America (Brazil)
  18. S

    Singapore
  19. T

    Taiwan
  20. U

    South America (unleaded fuel)
  21. V

    Vietnam
  22. X

    ROW (rest of world)
  23. Y

    Military
  24. Z

    Israel

Position 7 = Revision Level

  1. The revision level will advance as revisions occur. Not printed on label.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.