C0556

Right Front Wheel Speed Sensor A Incorrect Component Installed

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

ABS/ESP light is on
The ABS/ESP system may not work correctly
Incorrect speedometer readings (rare)
Errors of related systems (for example, cruise control is disabled)

Causes

Incorrect wheel speed sensor installed
Damage to the sensor wiring harness
Contact corrosion
ABS/ESP control unit programming error after sensor replacement

How to Fix

Check the labeling and compliance of the installed wheel speed sensor with the manufacturer's specifications
Inspect the sensor wiring harness and connectors for damage and corrosion.
Replace the sensor with a suitable one (original or similar, confirmed by the manufacturer)
If necessary, reset errors and calibrate the ABS/ESP control unit

Related codes

C0555 C0557 C0560