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1998 TOYOTA TACOMA
2.7L I4•RWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor1066Torque2197Fluid17DTC3334Battery2Maintenance0Recalls5
P0613high severityPowertrain

TCM Processor

on 1998 Toyota Tacoma 2.7L I4 · RWD

What this code means

The transmission control module detected an internal processor fault during self-testing. This may cause loss of proper transmission control.

Symptoms

  • Harsh or erratic shifting
  • Transmission warning light
  • Limp mode activation

Common causes

  • Faulty TCM
  • Internal processor error
  • Poor power/ground to TCM
  • Software corruption

Diagnostic steps

  1. Scan for TCM codes
  2. Check TCM power and ground circuits
  3. Clear codes and retest for reset
  4. Reprogram or replace TCM
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Other Powertrain codes on this vehicle

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