OBD Guide

P2749

Intermediate Shaft Speed Sensor C Circuit

P2749 is an OBD-II diagnostic trouble code meaning: Intermediate Shaft Speed Sensor C Circuit. Common causes: intermediate shaft speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission of the gearbox into emergency mode
  • Check engine light comes on
  • Reduced transmission efficiency
  • Jerks when shifting gears

Causes

  • Intermediate shaft speed sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Transmission control module malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check connections and contacts in connectors
  3. Test the intermediate shaft speed sensor
  4. Check sensor parameters using a diagnostic scanner
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P2749 by Vehicle Brand

FAQ

What does the P2749 code mean?

P2749 is an OBD-II diagnostic trouble code that indicates: Intermediate Shaft Speed Sensor C Circuit

What causes a P2749 error code?

The most common causes of P2749 include: Intermediate shaft speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2749 diagnostic trouble code?

To fix P2749: Check the integrity of the wiring to the sensor. Check connections and contacts in connectors. Test the intermediate shaft speed sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2749?

Limited driving only, diagnose soon

How much does it cost to fix P2749?

The estimated repair cost for P2749 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat