OBD Guide

C008A

TCS Mode Control

C008A is an OBD-II diagnostic trouble code meaning: TCS Mode Control. Common causes: malfunction of wheel speed sensors, tcs wiring harness problems. Estimated repair cost: $56–167.

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

Symptoms

  • The TCS/ABS indicator on the dashboard is on
  • Reduced effectiveness of the traction control system
  • The vehicle may become unstable on slippery surfaces

Causes

  • Malfunction of wheel speed sensors
  • TCS wiring harness problems
  • TCS control module malfunction
  • Damage to connectors or corrosion of contacts

How to Fix

  1. Diagnose the TCS system using an OBD-II scanner
  2. Check the integrity of the wiring harness and connectors
  3. Test wheel speed sensors
  4. If necessary, replace faulty components

Related codes

Error C008A by Vehicle Brand

FAQ

What does the C008A code mean?

C008A is an OBD-II diagnostic trouble code that indicates: TCS Mode Control

What causes a C008A error code?

The most common causes of C008A include: Malfunction of wheel speed sensors; TCS wiring harness problems; TCS control module malfunction; Damage to connectors or corrosion of contacts.

How do I fix a C008A diagnostic trouble code?

To fix C008A: Diagnose the TCS system using an OBD-II scanner. Check the integrity of the wiring harness and connectors. Test wheel speed sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C008A?

Limited driving only, diagnose soon

How much does it cost to fix C008A?

The estimated repair cost for C008A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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