P073A

Symptoms

• Car won't shift from 5th gear
• Reduced acceleration dynamics
• Increased engine speed at high speeds
• Check Engine indicator on the dashboard
• Possible jerking when trying to switch

Causes

• Shift solenoids malfunction
• Problems with the automatic transmission hydraulic system
• Damage to the wiring harness to the gearbox
• Malfunction of the automatic transmission control unit
• Mechanical damage inside the gearbox

How to Fix

1. Check the level and condition of the transmission fluid
2. Diagnose the operation of switching solenoids
3. Check the integrity of the wiring to the automatic transmission
4. Scan the automatic transmission control unit for errors
5. If necessary, replace faulty components

Related codes

Error P073A by Vehicle Brand