OBD Guide

C0559

Power Steering Control Module Range/Performance Rear

C0559 is an OBD-II diagnostic trouble code meaning: Power Steering Control Module Range/Performance Rear. Common causes: pscm module malfunction, wiring harness damage. Estimated repair cost: $56–167.

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

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

Related codes

Error C0559 by Vehicle Brand

FAQ

What does the C0559 code mean?

C0559 is an OBD-II diagnostic trouble code that indicates: Power Steering Control Module Range/Performance Rear

What causes a C0559 error code?

The most common causes of C0559 include: PSCM module malfunction; Wiring harness damage; Short circuit in the circuit; Module power problems.

How do I fix a C0559 diagnostic trouble code?

To fix C0559: Check PSCM wiring harness and connections. Diagnose module power and ground. Read error logs using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0559?

Limited driving only, diagnose soon

How much does it cost to fix C0559?

The estimated repair cost for C0559 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat