C0559

Power Steering Control Module Range/Performance Rear

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased steering effort
Uneven steering effort
ESP or steering indicator lights up
Loss of steering assistance

Causes

PSCM module malfunction
Wiring harness damage
Short circuit in the circuit
Module power problems
Software error

How to Fix

Check PSCM wiring harness and connections
Diagnose module power and ground
Read error logs using a scanner
Update module firmware (if available)
Replace PSCM if necessary

Related codes

C0561 C0550 C0545