OBD Guide
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C2328

Rear Left Outlet Valve Malfunction

C2328 is an OBD-II diagnostic trouble code meaning: Rear Left Outlet Valve Malfunction. Common causes: malfunction of the solenoid valve (solenoid), open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Malfunction of the solenoid valve (solenoid)
  • Open or short circuit in wiring harness
  • Mechanical damage to the exhaust valve
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the condition of the wiring harness and connectors
  2. Test the operation of the solenoid valve (solenoid)
  3. Check the mechanical condition of the exhaust valve
  4. If necessary, replace faulty components
  5. Reset the error and check the system operation

Related codes

C2327C2329P0171P0172

FAQ

What does the C2328 code mean?

C2328 is an OBD-II diagnostic trouble code that indicates: Rear Left Outlet Valve Malfunction

What causes a C2328 error code?

The most common causes of C2328 include: Malfunction of the solenoid valve (solenoid); Open or short circuit in wiring harness; Mechanical damage to the exhaust valve; Problems with the engine control unit (ECU).

How do I fix a C2328 diagnostic trouble code?

To fix C2328: Check the condition of the wiring harness and connectors. Test the operation of the solenoid valve (solenoid). Check the mechanical condition of the exhaust valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2328?

Limited driving only, diagnose soon

How much does it cost to fix C2328?

The estimated repair cost for C2328 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat