OBD Guide
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C1055

Left Rear Inlet Solenoid Circuit Failure

C1055 is an OBD-II diagnostic trouble code meaning: Left Rear Inlet Solenoid Circuit Failure. Common causes: broken wire in the harness, short circuit to ground or power. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP warning light is on
  • Loss of stabilization system functions
  • ABS works hard
  • Unusual sounds when braking

Causes

  • Broken wire in the harness
  • Short circuit to ground or power
  • Oxidation of contacts
  • Solenoid malfunction
  • Problems with the control module

How to Fix

  1. Diagnose solenoid circuit resistance
  2. Check the integrity of the wiring harness
  3. Clean the connector contacts
  4. Check power and ground circuit
  5. If necessary, replace the solenoid

Related codes

C1050C1051C1056C1060

FAQ

What does the C1055 code mean?

C1055 is an OBD-II diagnostic trouble code that indicates: Left Rear Inlet Solenoid Circuit Failure

What causes a C1055 error code?

The most common causes of C1055 include: Broken wire in the harness; Short circuit to ground or power; Oxidation of contacts; Solenoid malfunction.

How do I fix a C1055 diagnostic trouble code?

To fix C1055: Diagnose solenoid circuit resistance. Check the integrity of the wiring harness. Clean the connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1055?

Limited driving only, diagnose soon

How much does it cost to fix C1055?

The estimated repair cost for C1055 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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