OBD Guide

C190C

Rear Metal Board Overheat

C190C is an OBD-II diagnostic trouble code meaning: Rear Metal Board Overheat. Common causes: short circuit in wiring harness, malfunction of temperature sensors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The security system malfunction indicator is on
  • False airbag deployments
  • Reduced effectiveness of the passive safety system

Causes

  • Short circuit in wiring harness
  • Malfunction of temperature sensors
  • Damage to the rear metal panel
  • Overheating of electronic components of the system

How to Fix

  1. Check wiring harness for damage
  2. Check temperature sensors
  3. Inspect the rear metal panel for damage
  4. Replace faulty components
  5. Reset the error and test the system

Related codes

FAQ

What does the C190C code mean?

C190C is an OBD-II diagnostic trouble code that indicates: Rear Metal Board Overheat

What causes a C190C error code?

The most common causes of C190C include: Short circuit in wiring harness; Malfunction of temperature sensors; Damage to the rear metal panel; Overheating of electronic components of the system.

How do I fix a C190C diagnostic trouble code?

To fix C190C: Check wiring harness for damage. Check temperature sensors. Inspect the rear metal panel for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C190C?

Do not drive — repair immediately

How much does it cost to fix C190C?

The estimated repair cost for C190C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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