2011 Suzuki Grand Vitara BaseFACTORY OEM SERVICE PROCEDURE

DTC Detecting Condition and Trouble Area

NOTE: After reprogramming of ECM is executed, if the DTC P0602 is indicated, it is possible that the reprogramming of ECM is not completed correctly.
P0602 DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
P0602: Control Module Programming ErrorΒ 
ECM internal failure. (data programming error)
(1 D/C detection logic but MIL does not light up)
  • Reprogramming of ECM failure
  • ECM power supply circuit and/or ground circuit
  • ECM
Factory Service Tools

Use the Manual With the Right Hardware

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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.