OBD Guide

C001E

Right Rear Hydraulic Release Too Long

C001E is an OBD-II diagnostic trouble code meaning: Right Rear Hydraulic Release Too Long. Common causes: hydraulic fluid contamination, hydraulic valve malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS/ESP malfunction indicator lights up
  • Deterioration in braking performance
  • Unusual noises when braking

Causes

  • Hydraulic fluid contamination
  • Hydraulic valve malfunction
  • Problems with the wheel speed sensor
  • Mechanical damage to the brake system

How to Fix

  1. Check the level and condition of the hydraulic fluid
  2. Diagnose the operation of hydraulic valves
  3. Check wheel speed sensors
  4. Inspect the brake mechanisms for damage

Related codes

Error C001E by Vehicle Brand

FAQ

What does the C001E code mean?

C001E is an OBD-II diagnostic trouble code that indicates: Right Rear Hydraulic Release Too Long

What causes a C001E error code?

The most common causes of C001E include: Hydraulic fluid contamination; Hydraulic valve malfunction; Problems with the wheel speed sensor; Mechanical damage to the brake system.

How do I fix a C001E diagnostic trouble code?

To fix C001E: Check the level and condition of the hydraulic fluid. Diagnose the operation of hydraulic valves. Check wheel speed sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C001E?

Limited driving only, diagnose soon

How much does it cost to fix C001E?

The estimated repair cost for C001E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat