P07C9
Intermediate Shaft Speed Sensor C Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the intermediate shaft speed sensor
- Replace the faulty intermediate shaft speed sensor
- Update the vehicle's software or firmware
- Clean or replace the transmission control module (TCM)
Common causes
Most likely first
- Faulty intermediate shaft speed sensor
- Wiring issue or loose connection in the circuit of the intermediate shaft speed sensor
- Faulty engine control module (ECM) or powertrain control module (PCM)
- Low transmission fluid level or contaminated/deteriorated transmission fluid
- Malfunctioning torque converter clutch (TCC) solenoid
How to diagnose & fix
Work through it in order
- Trouble shifting gears or slipping gears
- Delayed or erratic shifting
- Harsh or abrupt shifting
- Engine stalling or hesitation when shifting gears
- Illuminated Check Engine Light
Read & clear P07C9 yourself
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