OBD-II code · Powertrain (generic)

P088B Transmission Fluid Filter Very Deteriorated

The transmission fluid filter is critically restricted. Hydraulic flow is severely impaired - immediate filter change required to prevent transmission damage.

Is it safe to drive with P088B?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyFilter heavily blocked
  • PossibleInternal transmission metal debris

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–5 h
Emissions test
Usually unaffected
Parts involved
Transmission Fluid Filter

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.