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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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Repairs0Labor1040Torque1596Fluid17DTC3336Battery2Maintenance0Recalls5
P0952moderate severityPowertrain

Auto Shift Manual Control Circuit Low

on 1998 Toyota Tacoma 2.7L I4 · RWD

What this code means

The automatic shift manual control circuit is showing a lower than expected voltage signal. This points to a short to ground or an open in the manual shift control wiring.

Symptoms

  • Manual shift mode fails to engage
  • Transmission stuck in automatic mode
  • Warning light illuminated

Common causes

  • Short to ground in shift circuit wiring
  • Faulty shift selector switch
  • Corroded connector pins
  • Failed transmission control module

Diagnostic steps

  1. Scan for stored transmission codes
  2. Measure circuit voltage at the connector
  3. Inspect wiring for shorts to ground
  4. Test shift switch resistance values
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