Back to 2002 Infiniti QX4

2002 INFINITI QX4

3.3L V6RWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor498Torque3650Fluid7DTC705Battery0Maintenance0Recalls6
P2764high severityPowertrain

Torque Converter Clutch Pressure Control Solenoid Stuck Off

on 2002 Infiniti QX4 3.3L V6 · RWD

What this code means

The TCC pressure control solenoid is stuck in the off position.

Symptoms

  • No torque converter lockup
  • Higher RPM at highway speed
  • Poor fuel economy
  • Overheating transmission

Common causes

  • Failed solenoid
  • Contaminated fluid blocking valve
  • Valve body stuck

Diagnostic steps

  1. Command TCC operation with scan tool
  2. Check for fluid contamination
  3. Pressure test

Repair notes

Replace solenoid. Check for debris in valve body.

Other Powertrain codes on this vehicle

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