OBD Guide
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C1408

Open Or Short In Rear Speed Sensor Left Circuit

C1408 is an OBD-II diagnostic trouble code meaning: Open Or Short In Rear Speed Sensor Left Circuit. Common causes: wiring harness damage, oxidation of contacts. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP indicator lights up
  • Incorrect operation of the ABS/ESP system
  • No signal from the left rear wheel on the diagnostic equipment

Causes

  • Wiring harness damage
  • Oxidation of contacts
  • Speed sensor malfunction
  • Problems with connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean sensor contacts and connectors
  3. Check speed sensor resistance
  4. Replace sensor if necessary

Related codes

C1407C1409C1410

FAQ

What does the C1408 code mean?

C1408 is an OBD-II diagnostic trouble code that indicates: Open Or Short In Rear Speed Sensor Left Circuit

What causes a C1408 error code?

The most common causes of C1408 include: Wiring harness damage; Oxidation of contacts; Speed sensor malfunction; Problems with connectors.

How do I fix a C1408 diagnostic trouble code?

To fix C1408: Check the integrity of the wiring harness. Clean sensor contacts and connectors. Check speed sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1408?

Limited driving only, diagnose soon

How much does it cost to fix C1408?

The estimated repair cost for C1408 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat