What does code P0727 mean?
No engine speed (RPM) signal is detected by the TCM.
OBD-II Code
P0727 — Engine Speed Input Circuit No Signal
No engine speed (RPM) signal is detected by the TCM.
Common symptoms
- Engine may stall
- transmission enters limp mode
Possible causes
- Failed CKP sensor
- broken wiring harness
Initial recommendation
Replace the crankshaft position sensor and inspect wiring continuity.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0727 with your vehicle's actual symptoms for more complete diagnostic guidance.
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