1991 Suzuki Samurai JSFACTORY OEM SERVICE PROCEDURE

Code 54 - Gear Position (5TH Switch) Circuit Grounded

Fig 1: Code 54 Schematic & Flow Chart, Gear Position Circuit
G91D18450Courtesy of SUZUKI OF AMERICA CORP.
Factory Service Tools

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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.