2005 Toyota MR2 C56FACTORY OEM SERVICE PROCEDURE

Monitor Strategy

MONITOR STRATEGY SPECIFICATION TABLE

Related DTCs P0860: No communication to/from transmission control ECU
Required sensors/ components (Main) Transmission ECU and ECM
Required sensors/ components (Related) -
Frequency of operation Continuous
Duration Condition met for 7 times
MIL operation Immediate
Sequence of operation None
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.