OBD Guide
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C1205

ABS Rear Dump Valve Circuit Short To Ground

C1205 is an OBD-II diagnostic trouble code meaning: ABS Rear Dump Valve Circuit Short To Ground. Common causes: damage to the wiring in the abs valve circuit, rear wheel abs valve malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The ABS indicator on the dashboard is on
  • ABS system does not work
  • Unstable braking of the rear wheels

Causes

  • Damage to the wiring in the ABS valve circuit
  • Rear wheel ABS valve malfunction
  • Short circuit in wiring harness
  • Problems with the ABS module

How to Fix

  1. Check the integrity of the wiring in the ABS valve circuit
  2. Check ABS valve resistance
  3. Inspect the wiring harness for damage
  4. Check the ABS module for faults
  5. Replace damaged components

Related codes

C1200C1201C1206

FAQ

What does the C1205 code mean?

C1205 is an OBD-II diagnostic trouble code that indicates: ABS Rear Dump Valve Circuit Short To Ground

What causes a C1205 error code?

The most common causes of C1205 include: Damage to the wiring in the ABS valve circuit; Rear wheel ABS valve malfunction; Short circuit in wiring harness; Problems with the ABS module.

How do I fix a C1205 diagnostic trouble code?

To fix C1205: Check the integrity of the wiring in the ABS valve circuit. Check ABS valve resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1205?

Limited driving only, diagnose soon

How much does it cost to fix C1205?

The estimated repair cost for C1205 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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