OBD Guide
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C1175

Left Rear Wheel Speed Sensor Input Circuit Failure

C1175 is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor Input Circuit Failure. Common causes: broken or damaged sensor wiring harness, malfunction of the speed sensor itself. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP lamp activation
  • Loss of ABS function
  • Incorrect operation of the stabilization system
  • No speed readings on the instrument panel

Causes

  • Broken or damaged sensor wiring harness
  • Malfunction of the speed sensor itself
  • Sensor connection problems
  • Sensor contamination
  • Damage to the ring gear on the hub

How to Fix

  1. Check the integrity of the wiring harness
  2. Check sensor resistance
  3. Clean the sensor from dirt
  4. Check the condition of the ring gear
  5. Replace sensor if necessary

Related codes

C1170C1171C1176

FAQ

What does the C1175 code mean?

C1175 is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor Input Circuit Failure

What causes a C1175 error code?

The most common causes of C1175 include: Broken or damaged sensor wiring harness; Malfunction of the speed sensor itself; Sensor connection problems; Sensor contamination.

How do I fix a C1175 diagnostic trouble code?

To fix C1175: Check the integrity of the wiring harness. Check sensor resistance. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1175?

Limited driving only, diagnose soon

How much does it cost to fix C1175?

The estimated repair cost for C1175 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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