OBD Guide

C0233

Manual Transmission Shift Switch Circuit

C0233 is an OBD-II diagnostic trouble code meaning: Manual Transmission Shift Switch Circuit. Common causes: open or short circuit in wiring harness, gear switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect engine operation when shifting gears
  • Check Engine light comes on
  • Idle problems
  • Difficulty shifting gears

Causes

  • Open or short circuit in wiring harness
  • Gear switch malfunction
  • Poor contact in connectors
  • Mechanical damage to the switch
  • Incorrect switch installation

How to Fix

  1. Check the integrity of the switch wiring harness
  2. Check the contacts in the switch connectors
  3. Test the gear shifter with a multimeter
  4. Replace the gear selector if necessary
  5. Clean and secure connectors
  6. Reset the error and check the system

Related codes

Error C0233 by Vehicle Brand

FAQ

What does the C0233 code mean?

C0233 is an OBD-II diagnostic trouble code that indicates: Manual Transmission Shift Switch Circuit

What causes a C0233 error code?

The most common causes of C0233 include: Open or short circuit in wiring harness; Gear switch malfunction; Poor contact in connectors; Mechanical damage to the switch.

How do I fix a C0233 diagnostic trouble code?

To fix C0233: Check the integrity of the switch wiring harness. Check the contacts in the switch connectors. Test the gear shifter with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0233?

Limited driving only, diagnose soon

How much does it cost to fix C0233?

The estimated repair cost for C0233 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat