C0235moderate severityChassis

Power Steering Fluid Temperature High

on 2005 Buick Terraza 3.5L V6 · FWD

What this code means

The power steering fluid temperature has exceeded the safe operating limit.

Symptoms

  • Power steering warning light
  • Steering assist may be reduced
  • Fluid smell or smoke from engine bay
  • Steering heavy when hot

Common causes

  • Extended hard steering maneuvers
  • Power steering cooler blocked or damaged
  • Restricted fluid flow
  • Undersized system for operating conditions
  • Faulty temperature sensor

Diagnostic steps

  1. Check power steering fluid condition and color
  2. Inspect power steering cooler for blockage
  3. Verify fluid is correct specification
  4. Check for restricted hoses
  5. Test temperature sensor if equipped

Repair notes

Allow system to cool. Flush and replace fluid. Clean or replace power steering cooler.

Other Chassis codes on this vehicle

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