1986 Chrysler Laser XT, AutomaticFACTORY OEM SERVICE PROCEDURE

Switch Test

  1. Ensure that all input switches are turned off. After code 55 is displayed for "end of message" in diagnostic mode, watch display while operating various switches. Digital display MUST change if switches are working properly.
  2. Check brake pedal switch by applying and releasing brake pedal. Check A/T gear selector switch by moving lever from Park to Reverse to Park. Check A/C switch by turning blower switch to "ON" and "OFF" positions (only valid when A/C dampened pressure switch is closed).
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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.