OBD-II code · Powertrain (generic)

P0897 Transmission Fluid Deteriorated

The TCM detects deteriorated transmission fluid based on temperature exposure history or sensor measurement. Fluid change recommended.

Is it safe to drive with P0897?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyService interval overdue
  • PossibleRepeated thermal stress

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
Easy
DIY friendly
Often, with basic tools
Typical labour
0.5–3 h
Emissions test
Usually unaffected
Parts involved
Transmission Fluid

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