OBD Guide

P2873

Clutch B Pressure Engagement Too High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Hard gear shifting
  • Delays when shifting gears
  • Car jerking when shifting
  • Check Engine Light Illuminates
  • Switching to emergency mode of the gearbox

Causes

  • Clutch pressure control solenoid malfunction
  • Contamination or blockage of hydraulic passages
  • Mechanical damage to clutch B
  • Hydraulic pump problems
  • Errors in TCM software

How to Fix

  1. Diagnostics of the hydraulic system of the gearbox
  2. Checking and replacing pressure control solenoids
  3. Flushing the hydraulic system
  4. Checking the mechanical condition of clutch B
  5. Updating TCM software if necessary

Related codes

Error P2873 by Vehicle Brand