Powertrain
Definition only
Lights the check engine lamp
P2749: Intermediate Shaft Speed Sensor C Circuit
Standardized SAE J2012 code · P27xx — Transmission
What does P2749 mean?
The third intermediate shaft speed sensor returns no usable signal. Used on transmissions with multiple intermediate planetary stages.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open sensor element or broken signal wire
- Medium Corroded sensor connector
Likelihood is a general estimate across vehicles; your make and model may differ.
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P2749 in the community
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