OBD-II code · Powertrain (generic, extended)

P2749 Intermediate Shaft Speed Sensor C Circuit

The third intermediate shaft speed sensor returns no usable signal. Used on transmissions with multiple intermediate planetary stages.

Is it safe to drive with P2749?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyOpen sensor element or broken signal wire
  • PossibleCorroded sensor connector

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Usually unaffected
Parts involved
Intermediate Shaft Speed Sensor C, Wiring Harness

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.