C0285

Medium Pressure Accumulator Switch Remains Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

ABS/ESP indicator is on
Reduced braking performance
Unusual noises when braking

Causes

Medium Pressure Accumulator Switch Malfunction
Wiring Harness Problems
Malfunction of the brake control module

How to Fix

Check the medium pressure accumulator switch for mechanical damage
Check the integrity and connections of the wiring harness
Scan the brake control module for errors
Replace switch if necessary

Related codes

C0280 C0281 C0282