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2005 BMW X5 4.8IS E53
4.8L V8 N62•AWD•AUTOMATIC•gas•N62B48
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor491Torque2163Fluid10DTC2126Battery1Maintenance0Recalls3
P0749moderate severityPowertrain

Pressure Control Solenoid A Intermittent

on 2005 BMW X5 4.8is E53 4.8L V8 N62 · AWD

What this code means

The PCM detects intermittent operation of pressure control solenoid A. This produces inconsistent line pressure and unpredictable shift behavior.

Symptoms

  • Occasional harsh shifts
  • Intermittent slipping
  • Fluctuating transmission performance

Common causes

  • Faulty pressure control solenoid
  • Loose or corroded connector
  • Low or dirty fluid
  • Intermittent wiring fault

Diagnostic steps

  1. Retrieve freeze frame data
  2. Check fluid level and condition
  3. Wiggle-test solenoid wiring and connectors
  4. Monitor solenoid signal during driving
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